Astria Envy35TEN Supplement

- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
- WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Leave the building immediately.
• Immediatelycallyourgassupplierfromaneigh-
bor’s phone. Follow the gas supplier’s instruc-
tions.
• If you cannot reach your gas supplier, call the
fire department.
- Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could
resultinseriousinjury,death,orpropertydamage.
AVERTISSEMENT:
RISQUED’INDENDIE OU D’EXPLOSION
Le non-respect Des avertissements de sécurité
pourrait d’entraîner des blessures graves, la mort
ou des dommages matériels.
- Ne pas entreposer ni utilizer d’essence ni d’autres
vapeursouliquidesinflammablesdanslevoisinage
de cet appareil ou de tout autre appareil.
- QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d’allumer d’appareil.
•Netouchezàaucaninterrupteur.Nepasvousservir
des téléphones se trouvant dans le bâtiment où
vous trouvez.
• Sortez immédiatement de bâtiment.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service des incindies.
- L’installationetl’entretiendoiventêtreassuréspar
un installateur ou un service d’entretien qualifié
ou par le fournisseur de gaz.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future
reference.
Installateur : Laissez cette notice avec l’appareil.
Consommateur : Conservez cette notice pour
consultation ultérieure.
This appliance may be installed in an aftermarket permanently located, manufactured home (USA only)
or mobile home, where not prohibited by local codes. This appliance is only for use with the type of gas
indicated on the rating plate. This appliance is not convertible for use with other gases, unless a certified kit
is used.
Cet appareil peut installé dans une maison préfabriquée (mobile) déjà installée à demeure, si les réglements
locaux le permettent. Ce appareil doit être utilisé uniquement avec le type de gaz indiqué sure la plaque
signalétique. Cet appareil ne peut être converti à d’autres gaz, sauf si une trousse de conversion est utilsée.
Installation and Operation Instructions
Models
PFS
®
USC
Report No. F14-105
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 900005-01
P/N 900005-00 Rev. B 10/2015
Envy™Direct-Vent Gas Fireplaces
Envy35TEN
EnvyCD35TEN Envy40TEN
EnvyCD40TEN
Envy45TEN
EnvyCD45TEN
P900005-00

General Information
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
2
DANGER
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
A barrier designed to reduce the risk of burns from the hot viewing glass is pro-
vided with this appliance and shall be installed for the protection of children and
other at-risk individuals.
DANGER
PELIGRO
VITRE CHAUDE
RISQUE DE BRÛLURES.
NE TOUCHEZ PAS UNE VITRE
NON REFROIDIE.
NE LAISSEZ JAMAIS UN ENFANT
DE TOUCHER LA VITRE.
EL VIDRIO CALIENTE
CAUSARÁ QUEMADURAS.
USTED DEBE NUNCA
TOCAR EL VIDRIO CALIENTE.
LOS NIÑOS DEBEN NUNCA
TOCAR EL VIDRIO.
L’écran pare-étincelles fourni avec ce foyer réduit le risque de brûlure en cas de
contact accidentel avec la vitre chaude et doit être installé pour la protection Des
enfants et Des personnes à risques.
Una barrera diseñada para reducir el riesgo de quemaduras desde la mirilla (vidrio)
caliente es proveida con este aparato y deberá instalarse para la protección de los
niños y otros individuos en riesgo.
Vea el volante adjunto para la representación de color adecuado
See attached color flyer for proper color representation
Voir ci-joint tract pour une bonne représentation de la couleur
SAFETY AND YOUR FIREPLACE

General Information
900005-00, 10/2015
Innovative Hearth Products
Astria™ Signature Series Envy Direct-Vent Gas Fireplaces
3
Afin d’éviter les brûlures
graves ou les blessures,
ne pas retirer l’écran de
protection de la foyer qui
empêche tout contact
direct avec la vitre.
Suivez les instructions de sécurité
ci-dessous et veillez à ce que tous
les membres de votre famille soient
conscients du danger de brûlure
encouru :
• Les surfaces de votre foyer deviennent
EXTRÊMEMENT CHAUDES !
• La vitre située à l'avant du foyer atteint
des températures EXTRÊMEMENT
ÉLEVÉES et peut causer de graves
blessures en cas de contact.
• Tenez les enfants à l'écart du foyer
lorsqu'il fonctionne. Surveillez
attentivement les enfants dans les
pièces où un foyer est utilisé afin
d'éviter qu'ils ne soient en contact avec
la vitre.
• Tenez tous les vêtements, les meubles,
l'essence et tout autre liquide
inflammable à l'écart du foyer.
• Même après fermeture du gaz, les
surfaces du foyer restent extrêmement
chaudes.
Veillez à coller les Étiquettes de mise
en garde relatives à la sécurité
d'utilisation à l'endroit où vous
utilisez le foyer, pour rappeler à tous
les utilisateurs les dangers liés aux
températures élevées
(Page 42) .

Lisez L’information de sûreté
importante (Page 5) .
Para evitar quemaduras y lesiones
graves, no quite el protector de malla
o guardia de seguridad que evita el
contacto directo con el vidrio.
Siga las instrucciones de seguridad
a continuación y asegúrese de que
todos en su hogar sepan acerca de este
peligro de quemadura:
• ¡Las superficies de la chimenea se
ponen MUY CALIENTES!
• El vidrio delante de la
chimenea alcanza temperaturas
EXTREMADAMENTE ALTAS y puede
causar quemaduras graves si se toca.
• Mantenga a los niños alejados de
la chimenea en funcionamiento.
Supervise en forma cercana a los niños
en cualquier cuarto donde haya una
chimenea funcionando para impedir el
contacto con el vidrio.
• Mantenga la ropa, mobiliario, gasolina
y otros líquidos inflamables alejados
de la chimenea.
• Aún después de haber apagado el
gas, las superficies de la chimenea
permanecen extremadamente
calientes.
Asegúrese de colocar las Etiquetas de
advertencia de seguridad de operación
en el lugar donde enciende la chimenea,
para que todos recuerden los peligros
asociados con las altas temperaturas
(Página 44) .
 Lea Información importante de
seguridad (Páginax 5).
Seguridad y su
chimenea
La sécurité et
votre foyer
[FRENCH][ENGLISH] [SPANISH]
Safety and Your
Fireplace
To prevent severe burns
and injuries, do Not
remove the barrier on the
appliance which prevents
direct contact with the
glass.
Follow the safety instructions below
and be sure everyone in your household
understands this burn hazard:
• The surfaces on your fireplace get
EXTREMELY HOT!
• The glass on the front of the
fireplace reaches EXTREMELY HIGH
temperatures and can cause severe
burns if touched.
• Keep children away from an operating
fireplace. Closely supervise children
in any room where a fireplace is
operating to prevent contact with glass.
• Keep clothing, furniture, gasoline, and
other flammable liquids away from the
fireplace.
• Even after the gas is turned off,
fireplace surfaces remain extremely
hot.
Be sure to attach the enclosed Safety-
in-Operation Warnings where you
turn on your fireplace, to help remind
everyone of the dangers associated with
high temperatures (Page 42) .
Read Important Safety Information
(Page 5) .
All parts of your
IHP fireplace get
EXTREMELY HOT!
Toutes les parties de votre
foyer IHP deviennent
EXTRÊMEMENT CHAUDES !
¡Todas las partes de la
chimenea IHP se ponen
MUY CALIENTES!

General Information
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
4
General Information
Safety and Your Fireplace ..................................................................2
Important Safety Information ............................................................5
Fireplace Installation, Operation, and Maintenance Notices...............6
Packaging..........................................................................................8
Introduction.......................................................................................8
Installation
Requirements for the Commonwealth of Massachusetts ................10
Cold Climate Insulation....................................................................10
Manufactured Home Requirements.................................................11
Location...........................................................................................11
Vent Termination Clearances ...........................................................12
Minimum Clearances to Combustibles ............................................14
Wall Finishes / Surrounds / Mantels................................................15
Installation Preparation....................................................................15
Installation Sequence ......................................................................16
Construct the Fireplace Framing......................................................16
Prepare the Fireplace Top Standoffs ................................................18
Route the Gas Supply Line to the Fireplace .....................................18
Rough in the Electrical Supply, if Needed ........................................19
Place the Fireplace in the Framing and Secure ................................19
Select a Horizontal or Vertical Vent System.....................................21
Install the Vent System....................................................................23
Complete the Field Wiring................................................................33
Install and initializing the Remote Control System...........................34
Connect the Gas Line.......................................................................36
Verify Proper Fireplace Operation....................................................37
Install the Firebox Liners .................................................................37
Contemporary Fireplaces: Install the Glass Media ...........................37
Traditional Fireplaces: Install the Logs.............................................37
Install the Glass Door ......................................................................37
Adjust the Air Shutter to Ensure Proper Flame Appearance.............37
Install the Vent Restrictor (if necessary)..........................................40
Install the Finishing Materials..........................................................41
Attach the Safety-in-Operation Warning Labels...............................42
Installation Accessories...................................................................44
Gas Conversion Kits ........................................................................45
Operation
Operation.........................................................................................48
Remote Control System...................................................................51
Firebox Liners..................................................................................53
Glass Media.....................................................................................53
Installing the Logs...........................................................................54
Installing and Removing the Glass Door..........................................56
Maintenance....................................................................................58
Accessory Components...................................................................62
Lighting Instructions .......................................................................63
Troubleshooting...............................................................................65
Replacement Parts ..........................................................................66
Barrier Identification and Replacement............................................68
Warranty..........................................................................................69
Traditional Fireplace Contemporary Fireplace
THANK YOU FOR YOUR PURCHASE. WE APPRECIATE YOUR BUSINESS!
Please carefully read and follow all instructions in this manual. Pay special attention to all warnings and safety
information. Following these safety, care, and operation instructions will help ensure many years of dependable and
enjoyable service from your fireplace.
Please read and understand these instructions before installing,
operating, or servicing this product. We recommend that our
gas hearth products be
installed and serviced by
professionals who are
certied in the U.S. by the
National Fireplace Institute®
(NFI) as NFI Gas Specialists.

General Information
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
5
Important Safety Information
1. WARNING: Do not operate appliance
with the glass front removed, cracked
or broken.
2. Do not use this appliance if any part has
been under water. Immediately call a
qualified service technician to inspect
the appliance and to replace any part of
the control system and any gas control
which has been under water.
3. Due to high temperatures, the appliance
should be located out of traffic and away
from furniture and draperies.
4. Children and adults should be alerted to
the hazards of high surface temperature
and should stay away to avoid burns or
clothing ignition.
5. Clothing or other flammable material
should not be placed on or near the
appliance.
6. Young children should be carefully
supervised when they are in the same
room as the appliance. Toddlers, young
children, and others may be susceptible
to accidental contact burns. A physical
barrier is recommended if there are at-
risk individuals in the house. To restrict
access to a fireplace or stove, install an
adjustable safety gate to keep toddlers,
young children, and other at-risk indi-
viduals out of the room and away from
hot surfaces.
7. Any safety screen, guard or barrier re-
moved for servicing an appliance must
be replaced prior to operating the ap-
pliance.
8. Installation and repair should be done
by a qualified service person. The ap-
pliance should be inspected before use
and at least annually by a professional
service person. More frequent clean-
ing may be required due to excessive
lint from carpeting, bedding material,
et cetera. It is imperative that control
compartments, burners, and circulating
air passageways of the appliance be kept
clean. See maintenance instructions on
Page 58.
L’information de sûreté
importante
1. AVERTISSEMENT. Ne pas utiliser l’appareil si
le panneau frontal en verre n’est pas en place,
est craqué ou brisé.
2. Ne pas se servir de cet appareil s’il a été
plongé dans l’eau, même partiellement.
Faire inspecter l'appareil par un technicien
qualifié et remplacer toute partie du systéme
de contrôle et toute commande qui ont été
plongées dans l'eau.
3. En raison des températures élevées, l’appareil
devrait être installé dans un endroit où il y a
peu de circulation et loin du mobilier et des
tentures.
4. Les enfants et les adultes devraient être infor-
més des dangers que posent les températures
de surface élevées et se tenir à distance afin
d’éviter des brûlures ou que leurs vêtements
ne s’enflamment.
5. On ne devrait pas placer de vêtements ni
d’autres matières inflammables sur l’appareil
ni à proximité.
6. Les jeunes enfants devraient être surveillés
étroitement lorsqu’ils se trouvent dans la
même pièce que l’appareil. Les tout petits, les
jeunes enfants ou les adultes peuvent subir
des brûlures s’ils viennent en contact avec la
surface chaude. Il est recommandé d’installer
une barrière physique si des personnes à
risques habitent la maison. Pour empêcher
l’accès à un foyer ou à un poêle, installez une
barrière de sécurité ; cette mesure empêchera
les tout petits, les jeunes enfants et toute
autre personne à risque d’avoir accès à la
pièce et aux surfaces chaudes.
7. Tout écran ou protecteur retiré pour permettre
l’entretien de l’appareil doit être remis en
place avant de mettre l’appareil en marche.
8. L’installation et la réparation devrait être
confiées à un technicien qualifié. L’appareil
devrait faire l’objet d’une inspection par un
technicien professionnel avant d’être utilisé et
au moins une fois l’an par la suite. Des nettoy-
ages plus fréquents peuvent être nécessaires
si les tapis, la literie, et cetera produisent
une quantité importante de poussière. Il est
essentiel que les compartiments abritant les
commandes, les brûleurs et les conduits de
circulation d’air de l’appareil soient tenus
propres. Voyez les instructions d’entretien
à la Page 58.
Información importante de
seguridad
1. ADVERTENCIA: No opere el artefacto con el
frente de vidrio quitado, agrietado o roto.
2. No use este artefacto si alguna de sus partes
ha estado bajo agua. Llame de inmediato
a un técnico de servicio calificado para que
inspeccione el artefacto y reemplace cualquier
parte del sistema de control y cualquier control
de gas que haya estado bajo agua.
3. Debido a las altas temperaturas, el artefacto
debe situarse fuera de las áreas de tráfico y
lejos del mobiliario y cortinas.
4. Se debe alertar a los niños y adultos sobre
los peligros de las altas temperaturas en la
superficie y que se mantengan alejados para
evitar quemaduras o ignición de la ropa.
5. No debe colocarse ropa u otros materiales
inflamables sobre y cerca del artefacto.
6. Se debe supervisar de cerca a los niños cuando
estén en el mismo cuarto que el artefacto. Los
niños pequeños, los jóvenes y otras personas
pueden ser susceptibles a quemaduras por
contacto accidental. Se recomienda instalar
una barrera física si hay personas en riesgo
en la casa. Para restringir el acceso a una
chimenea o estufa, instale una puerta de
seguridad ajustable para mantener a los niños
pequeños, jóvenes y otras personas en riesgo
fuera del cuarto y lejos de las superficies
calientes.
7. Cualquier malla o resguardo de seguridad
quitado para dar servicio a un artefacto, debe
reinstalarse antes de operar el artefacto.
8. Una persona de servicio competente debe
realizar la instalación y reparación. Una
persona de servicio profesional debe
inspeccionar el artefacto antes de usar al
menos una vez por año. Se puede requerir
limpieza más frecuente debido a la pelusa
excesiva del alfombrado, del material de
cobijas, etc. Es imprescindible mantener
limpios los compartimientos de control, los
quemadores y los pasajes de circulación del
aire del artefacto. Ver las instrucciones de
mantenimiento en la página 58.
IMPORTANT SAFETY INFORMATION

General Information
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
6
APPLIANCE INSTALLATION, SERVICE, AND MAINTENANCE NOTICES
WARNING
Improper installation, adjustment, alteration, service or maintenance can cause injury or
property damage. Refer to this manual. For assistance or additional information consult a
qualified installer, service agency or the gas supplier.
AVERTISSEMENT
Une installation, un réglage,une modification, une réparation ou un entretien mal effectué
peut causer des dommages matériels ou des blessures. Voir la notice de l’utilisateur qui
accompagne l’appareil. Pour de l’aide ou des renseignements supplémentaires, consultez
un installateur, un technicien agréé ou le fournisseur de gaz.
Only trim kit(s) supplied by the manufacturer shall be used in the installation of this
appliance.
Seules des portes certifiées pour cet appareil doivent être utilisées.
These appliances must not be connected to a chimney or flue serving a separate solid fuel
burning appliance.
Any change to this appliance and/or its operating controls is dangerous. Improper installation
or use of this appliance can cause serious injury or death from fire, burns, explosion or
carbon monoxide poisoning.
CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning are similar to
the flu with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air
immediately. Turn off the gas supply to the appliance and have it serviced by a qualified
professional, as it may not be operating correctly. Some people are more affected by carbon
monoxide than others, including pregnant women, people with heart or lung disease or
anemia, those under the influence of alcohol, and those at high altitudes.
Turn off gas and electrical power to the appliance and allow it to cool before cleaning or
servicing the appliance.
If the barrier becomes damaged, the barrier shall be replaced with the manufacturer’s barrier
for this appliance.
Si l’écran est endommagé, il doit être remplacé par celui fournit par le fabricant de cet
appareil.
WARNING
Failure to comply with these installation instructions will result in an improperly installed
and operating appliance, voiding its warranty. Any change to this appliance and/or its
operating controls is dangerous.

Installation
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Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
7
APPLIANCE OPERATION NOTICES
WARRANTY INFORMATION
IMPORTANT SAFETY AND WARNING INFORMATION
CAUTION
Hot while in operation. Do not touch. Severe Burns may result. Keep children, clothing
furniture, gasoline and other liquids having flammable vapors away.
ATTENTION
L’appareil est chaud lorsqu’il fonctionne. Ne pas toucher l’appareil. Risque de brûlures
graves. Surveiller les enfants. Garder les vêtements, les meubles, l’essence ou autres
liquides produisant des vapeur inflammables loin de l’appareil.
These fireplaces are vented gas appliances. Do not burn wood or other material in these
appliances.
These appliances are designed to operate on natural gas or propane gas only. The use of
other fuels or combinations of fuels will degrade the performance of this system and may be
dangerous.
Provide adequate clearances around air openings and adequate accessibility clearance for
service and proper operation. Never obstruct the front openings of the appliance.
These appliances are designed to operate on natural or propane gas only. The use of other
fuels or combination of fuels will degrade the performance of this system and may be
dangerous.
These appliances are designed as supplemental heaters. Therefore, it is advisable to have an
alternate primary heat source when installed in a dwelling.
Your gas appliance is covered by a limited lifetime warranty. You will find a copy of the
warranty accompanying this manual. Please read the warranty to be familiar with its
coverage.
Retain this manual. File it with your other documents for future reference.
Failure to comply with the installation and operating instructions provided will result in an
improperly installed and operating appliance, voiding its warranty.
Do not attempt to alter or modify the construction of the appliance or its components. Any
modification or alteration may void the warranty, certification, and listings of this unit.
For use with barrier(s) Part No(s). J7407 (35” Models), J7408 (40” Models), and J7409 (45” Models). Follow
installation instructions.
Reinstall any barrier removed before operating the appliance. The barrier is designed to reduce the risk of
burns from hot glass. Do not operate the appliance without the barrier installed.

Installation
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Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
8
INSTALLATION
PACKAGING
All models include
The assembled vented gas fireplace heater is packaged with:
• Literature Kit (Installation and Operation Instructions (this manual), Safety Flyer, Glass and Barrier Flyer and
Safety-in-Operation Warning Labels
• Three (3) Non-combustible fiber boards
• Three (3) AAA batteries
• Handheld remote control (transmitter)
• Remote control receiver (wall switch) assembly with four (4) AA batteries
• (1) U-Shaped Vent Restrictor
Traditional models also include
• Floor kit
Required accessories (Traditional models)
• Porcelain Liner kit or Ceramic Fiber liner kit
• Log Set
Required accessories (Contemporary models)
• Porcelain liner kit
• Glass Media
NOTE: Ensure all required accessory kits are available before installing the fireplace.
Optional accessories
• Volcanic stone (Traditional models - 1.5 lbs. bag)
• Adniron kit (Traditional models)
• Facade Kit
• Gas conversion kit
INTRODUCTION
Envy fireplaces are designed to operate on natural or propane gas. An electronic intermittent pilot ignition system provides
safe, efficient operation. External electrical power is required to operate these units. In the event of a power outage, four
(4) AA batteries provide backup power for appliance operation (excluding blower). Envy fireplaces come standard with a
remotely-modulated gas valve. Flame appearance and heat output cannot be controlled at the gas valve. These vented gas
fireplace heaters are sealed combustion, air-circulating gas fireplaces designed for residential applications.
NOTE: Installation and repair should be done by a qualified service person. The fireplace should be inspected before
use and at least annually by a professional service person. More frequent cleaning may be required due to excessive
lint from carpeting, bedding material, etcetera. It is imperative that control compartments, burners and circulating air
passageways of the fireplace be kept clean.
Remarqué : L’installation et la réparation devrait être confiées à un technicien qualifié. L’appareil devrait
faire l’objet d’une inspection par un technicien professionnel avant d’être utilisé et au moins une fois l’an par
la suite. Des nettoyages plus fréquents peuvent être nécessaires si les tapis, la literie, et cetera produisent
une quantité importante de pous-sière. Il est essentiel que les compartiments abritant les commandes, les
brûleurs et les conduits de circulation d’air de l’appareil soient tenus propres.
NOTE: Diagrams and illustrations are not necessarily shown to scale.
Approved Vent Components
These fireplaces are designed, tested and listed for operation and installation with the following vent components
only:
• Secure Vent®Direct-Vent System Components,
• Secure Flex®Flexible Vent Components, and
• Z-FLEX®Model GA Venting Systems listed to UL1777 and ULCS635 manufactured by Flexmaster Canada
Limited.
Use only the correct size venting (4 1/2” inner and 7 1/2” outer).
These approved vent system components are labeled for identification. DO NOT use any other manufacturer’s vent
components with these fireplaces.

Installation
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
9
Codes and Standards
These fireplaces comply with National Safety Standards and are tested and listed by PFS Corporation (Report
No.F14-105) to ANSI Z21.88 (in Canada, CSA-2.33), and CAN/CGA-2.17-M91 in both USA and Canada, as vented gas
fireplace heaters.
These fireplaces are listed for installation in bedrooms and manufactured homes.
The installation must conform to local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI
Z223.1/NFPA 54—latest edition (In Canada, the current CAN/CGA-B149.1 installation code).
The fireplace, when installed, must be electrically grounded and wired in accordance with local codes or, in the
absence of local codes, with the National Electrical Code, ANSI/NFPA 70—latest edition, or the Canadian Electrical
Code, CSA C22.1—latest edition.
BTU Input
Table 1 - Input Rate, Gas Valves
Models Input Rate (BTU/HR)
Natural Gas Propane Gas
35” Traditional 35,500 high, 15,500 low 35,000 high, 18,000 low
35” Contemporary 31,000 high, 16,000 low 28,000 high, 15,000 low
40” Traditional 41,500 high, 15,500 low 37,000 high, 14,500 low
40” Contemporary 40,000 high, 21,000 low 32,000 high, 18,500 low
45” Traditional 47,000 high, 18,000 low 45,000 high, 18,000 low
45” Contemporary 47,000 high, 24,000 low 40,000 high, 22,000 low
Gas Pressure
Table 2 - Inlet Gas Supply Pressure
Fuel Minimum Maximum
Natural Gas 4.5” WC (1.12 kPa) 10.5” WC (2.61 kPa)
Propane 11.0” WC (2.74 kPa) 13.0” WC (3.23 kPa)
Table 3 - Manifold Gas Supply Pressure
Fuel Low High
Natural Gas 1.6” WC (0.40 kPa) 3.5” WC (0.87 kPa)
Propane 6.3” WC (1.57 kPa) 10.0” WC (2.49 kPa)
Test gauge connections are provided on the front of the millivolt and electronic gas control valve (identified IN for the
inlet and OUT for the manifold side). The control valves have a 3/8” (10 mm) NPT thread inlet and outlet side of the
valve (Figure 1).
Figure 1 - Electronic Gas Valve - SIT ProFlame II
Main Gas Inlet 3/8” NPT
Inlet (IN) Test Port Hi/Lo Flame Control Knob
Yellow Ground Wire (from DFC wire harness)
Green Wire (from DFC wire harness)
Manifold (OUT) Test Port
Orange Wire (from DFC wire harness)
Propane tanks are at pressures that will cause damage to valve components. Verify that the tanks have step down
regulators to reduce the pressure to safe levels.

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Envy™ Direct-Vent Gas Fireplaces
10
The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during
any pressure testing of that system at test pressures in excess of 1/2 psi (3.5 kPa).
The appliance must be isolated from the gas supply piping system by closing its equipment shutoff valve during
any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psi (3.5 kPa).
Orifice Sizes—Sea Level to High Altitude
These fireplaces are tested and approved for installation at elevations of 0–4500 ft (0–1372 m) above sea level
using the standard burner orifice sizes (Table 4). For elevations above 4500 ft, contact your gas supplier or
qualified service technician.
Table 4 - Burner Orifice Sizes, Elevation 0–4500 ft ( 0–1372 m)
Model Natural Gas drill size Propane drill size
35” Traditional Front: #49 (0.073”)*, Back: #43 (0.089”)* Front: #57 (0.043”)*, Back: #54 (0.055”)*
35” Contemporary Front: #42 (0.0935”)*, Back: #55 (0.052”)* Front: #55 (0.052”)*, Back: #60 (0.040”)*
40” Traditional Front: #41 (0.096”)*, Back: #43 (0.089”)* Front: #55 (0.052”)*, Back: #55 (0.052”)*
40” Contemporary Front: #35 (0.11”)*, Back: #52 (0.0635”)* Front: #53 (0.0595”)*, Back: #65 (0.035”)*
45” Traditional Front: #40 (0.098”)*, Back: #40 (0.098”)* Front: #54 (0.055”)*, Back: #54 (0.055”)*
45” Contemporary Front: #32 (0.116”)*, Back: #49 (0.073”)* Front: #51 (0.067”)*, Back: #62 (0.038”)*
* Standard size installed at factory
Deration
At elevations above 4500 ft, the amount of BTU fuel value delivered must be reduced by either:
• Using gas that has been derated by the gas company.
• Changing the burner orifice to a smaller size as regulated by the local authorities having jurisdiction and by the
(USA) National Fuel Gas Code NFPA 54/ANSI Z223.1—latest edition or, in Canada, the CAN/CGA-B149.1 codes—
latest edition.
NOTE: Flame breadth, height and width will diminish 4% for every 1,000 ft of altitude.
IN CANADA—CAN/CGA-2.17-M91 (HIGH ALTITUDE):
THE CONVERSION SHALL BE CARRIED OUT BY A MANUFACTURER’S AUTHORIZED REPRESENTATIVE,
IN ACCORDANCE WITH THE REQUIREMENTS OF THE MANUFACTURER, PROVINCIAL OR TERRITORIAL
AUTHORITIES HAVING JURISDICTION AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE CAN/
CGA-B149.1 OR CAN/CGA-B149.2 INSTALLATION CODES.
COMMONWEALTH OF MASSACHUSETTS REQUIREMENTS
These appliances are approved for installation in the US state of Massachusetts if the following additional
requirements are met:
• Install this appliance in accordance with Massachusetts Rules and Regulations 248 C.M.R. Sections 4.00
through 8.00.
• Installation and repair must be done by a plumber or gas fitter licensed in the Commonwealth of Massachusetts.
• The flexible gas line connector used shall not exceed 36 inches (92 centimeters) in length.
• The individual manual shut-off must be a T-handle type valve.
Massachusetts Horizontal Vent Requirements
In the Commonwealth of Massachusetts, horizontal terminations installed less than seven (7) feet above the finished
grade must comply with the following additional requirements:
• A hard wired carbon monoxide detector with an alarm and battery back-up must be installed on the floor level
where the gas fireplace is installed. The carbon monoxide detector must comply with NFPA 720, be ANSI/UL
2034 listed and be ISA certified.
• A metal or plastic identification plate must be permanently mounted to the exterior of the building at a minimum height
of eight (8) feet above grade and be directly in line with the horizontal termination. The sign must read, in print size no
less than one-half (1/2) inch in size, GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.
COLD CLIMATE INSULATION
For cold climate installations, seal all cracks around your fireplace with noncombustible material and wherever cold
air could enter the room. It is especially important to insulate outside chase cavity between studs and under floor on
which fireplace rests, if floor is above ground level. Gas line holes and other openings should be caulked or stuffed
with unfaced fiberglass insulation.
NOTE: Do not use loose, or blown-in insulation in the cavity surrounding the fireplace.
If the fireplace is being installed on a cement slab in cold climates, a sheet of plywood or other raised platform can
be placed underneath to prevent conduction of cold transferring to the fireplace and into the room. It also helps to
sheetrock inside surfaces and tape for maximum air tightness and caulk firestops.

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MANUFACTURED HOME REQUIREMENTS
This appliance may be installed in an aftermarket, permanently located, manufactured home (USA only) or mobile
home, where not prohibited by local codes.
Cet appareil peut être installé dans une maison préfabriquée (mobile) déjà installée à demeure si les règlements
locaux le permettent.
This appliance is only for use with the type of gas indicated on the rating plate. This appliance is not convertible for
use with other gases, unless a certified kit is used.
Cet appareil doit être utilisé uniquement avec le type de gaz indiqué sur la plaque signalétique. Cet appareil ne
peut être converti à d’autres gaz, sauf si une trousse de conversion est utilisée.
CAUTION
Ensure that the cross members are not cut or weakened during installation. The structural
integrity of the manufactured home floor, wall, and ceiling / roof must be maintained.
CAUTION
This appliance must be grounded to the chassis of the manufactured home in accordance
with local codes or in the absence of local codes, with the National Electrical Code ANSI /
NFPA 70—latest edition or the Canadian Electrical Code CSA C22.1—latest edition.
LOCATION
In selecting the location, the aesthetic and functional use of the fireplace are primary concerns. However, vent
system routing to the exterior and access to the fuel supply are also important.
Due to high temperatures, the fireplace should be located out of traffic and away from furniture and draperies.
En raison des températures élevées, l’appareil devrait être installé dans un endroit où il y a peu de
circulation et loin du mobilier et des tentures.
The location should also be free of electrical, plumbing or other heating/air conditioning ducting.
These direct-vent fireplaces are uniquely suited for installations requiring a utility shelf positioned directly above the
fireplace. Utility shelves like these are commonly used for locating television sets and decorative plants.
Be aware that this is a heat producing fireplace. Objects placed above the unit are exposed to elevated temperatures.
Do not insulate the space between the fireplace and the area above it.
The minimum height from the base of the fireplace to the underside of combustible materials used to construct a
utility shelf in this fashion is shown in Table 8.
The appliance should be mounted on a fully supported base extending the full width and depth of the unit. The
appliance may be located on or near conventional construction materials. However, if installed on combustible
materials, such as carpeting, vinyl tile, etc., a metal or wood barrier covering the entire bottom surface must be used.
Figure 2 - Typical Locations and Venting
NOITACILPPA
T
NEVP
O
T
APPLICATION
TOP VENT
TNEVPOT
NOITACILPPA
RECESSED
INSTALLATION
TOP VENT
APPLICATION
N
O
I
T
A
C
I
L
P
P
A
TNEVPOT
HORIZONTAL VENT
(Top Vent Application)
VERTICAL VENT
(Top Vent Application)

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VENT TERMINATION CLEARANCES
These instructions should be used and do not supersede local codes in any way. Install venting according to local
codes, these instructions, the current National Fuel Gas Code (ANSI Z223.1/NFPA 54) in the USA or the current
standards of CAN/CGA-B149.1 in Canada.
Vertical Vent Termination Clearances
Terminate multiple vent terminations according to the installation codes listed above and Figure 3.
Figure 3 - Multiple Terminations
12”
(305 mm)
minimum
Terminate single vent caps relative to building components according to Table 5 and Figure 3.
Table 5 - Termination Heights for Vents above Flat or Sloped Roofs (NFPA 54 / ANSI Z223.1)—Gas Vent Rule
Roof Pitch Termination Height *
12
X
Roof pitch is X/12
2 ft
minimum
2 ft minimum
Lowest
discharge
opening
H*
*H = minimum height from roof to
lowest discharge opening of vent
Horizontal overhang
Vertical
wall
Vent
termination
Storm collar
Concentric
vent pipe
Flashing
1” (25.4 mm) minimum
clearance to combustibles
Flat to 6/12 1.0 ft (0.3 m)
6/12 to 7/12 1.25 ft (0.38 m)
7/12 to 8/12 1.5 ft (0.46 m)
8/12 to 9/12 2.0 ft (0.61 m)
9/12 to 10/12 2.5 ft (0.76 m)
10/12 to 11/12 3.25 ft (0.99 m)
11/12 to 12/12 4.0 ft (1.22 m)
12/12 to 14/12 5.0 ft (1.52 m)
14/12 to 16/12 6.0 ft (1.83 m)
16/12 to 18/12 7.0 ft (2.13 m)
18/12 to 20/12 7.5 ft (2.29 m)
20/12 to 21/12 8.0 ft (2.44 m)
Horizontal Vent Termination Clearances
The horizontal vent termination must have a minimum of 6” (152 mm) clearance to any overhead combustible
projection of 2-1/2” (64 mm) or less (Figure 4). For projections exceeding 2-1/2” (64 mm) (Figure 4). For additional
vent location restrictions refer to Table 6.
All horizontal terminations may be located as close as 6” (152mm) to any combustible exterior sidewall. This
distance may be decreased to 2” (51mm) for noncombustible exterior sidewalls with all approved terminations
(Table 6).
Figure 4 - Horizontal Vent Termination Clearances
T
Combustible projection 2-1/2”
or less in length
Combustible projection greater
than 2-1/2” in length
Ventilated
soffit Unventilated
soffit
18”
(457 mm) 12” (305 mm)
6
(152)
Termination kit
Termination kit
6”
NOTE: See Figure 23 on Page 29 for
exterior wall recess allowances for square
horizontal termination.

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Table 6 - Horizontal vent termination clearances for buildings with combustible and noncumbustible exteriors
Fixed
Closed Openable Fixed
Closed
V
V
VV
V
V
X
X
VX
G
G
J
F
B
B
K
H
I
A
E
L
D
B
M
C
B
V
V
A
G
G
B
TERMINATION CAP AIR SUPPLY INLET GAS METER RESTRICTED AREA
(TERMINATION PROHIBITED)
Openable
See Table 5
V
V
Inside Corner
VV
Outside Corner Recessed Location
Balcony with No Side
Wall
V
Balcony with Perpendicular Side Wall
G
F
M
M
NPO
Q
U.S. Installation ** Canadian Installation *
AClearance above grade, veranda, porch, desk, or balcony 12” (300 mm) ** 12” (300 mm) *
BClearance to window or door that may be opened 6” (150 mm)
for fireplaces < 10,000 Btu/h (3 kW),
9” (230 mm)
for fireplaces > 10,000 Btu/h (3 kW), and < 50,000 Btu/h (15
kW),
12” (300 mm)
for fireplaces > 50,000 Btu/h (15 kW) **
6” (150 mm)
for fireplaces < 10,000 Btu/h (3 kW),
12” (300 mm)
for fireplaces > 10,000 Btu/h (3 kW)
CClearance to permanently closed window 9” (229 mm)
recommended to prevent window condensation 12” (305 mm) recommended to prevent window
condensation
DVertical clearance to ventilated soffit located above the
termination within a horizontal distance of 18” (458 mm) 18” (458 mm) 18” (458 mm)
EClearance to unventilated soffit 12” (305 mm)
30” (760 mm) to vinyl soffit 12” (305 mm) 30” (760 mm) to vinyl soffit
FClearance to outside corner 5” (127 mm)
minimum 5” (127 mm) minimum
GClearance to inside corner 2” (50.8 mm) ***
minimum—SV4.5HT-2 •
6” (152 mm) ***
minimum—SV4.5HTSS
2” (50.8 mm) ***
minimum—SV4.5HT-2 •
6” (152 mm) ***
minimum—SV4.5HTSS
HClearance to each inside of center line extended above
meter / regulator assembly 36” (910 mm) within a height of 15 ft above the meter / regulator assembly ** 36” (910 mm) within a height of 15 ft above the meter /
regulator assembly *
IClearance to service regulator vent outlet 36” (910 mm)** 36” (910 mm)*
JClearance to nonmechanical air supply inlet to building or
the combustion air inlet to any other fireplace 6” (150 mm) for fireplaces < 10,000 Btu/h (3 kW),
9” (230 mm)
for fireplaces > 10,000 Btu/h (3 kW) and < 50,000 Btu/h (15 kW),
12” (300 mm)
for fireplaces > 50,000 Btu/h (15 kW)**
6” (150 mm)
for fireplaces < 10,000 Btu/h (3 kW),
12” (300 mm)
for fireplaces > 10,000 Btu/h (3 kW)
KClearance to a mechanical air supply inlet 36” (910 mm) above if within 10 ft (3 m) horizontally ** 72” (1830 mm) *
LClearance above paved sidewalk or paved diveway located
on public property 84” (2130 mm) ‡ 84” (2130 mm) ‡
MClearance under veranda, porch, deck or balcony 12” (300 mm) *‡ 12” (300 mm) *‡
NDepth of alcove (maximum) 72” (1830 mm) ** 72” (1830 mm) *
OClearance to termination (alcove) 6” (15.2 mm) ** 6” (15.2 mm)*
PWidth of alcove (minimum) 36” (910 mm) ** 36” (910 mm) *
QClearance to combustible above (alcove) 18” (457 mm) ** 18” (457 mm) *
* In accordance with the current CAN/CGA-B149.1 National Gas And Propane Installation Code
** In accordance with the curent ANSI Z223.1/NFPA 54 National Fuel Gas Codes
*** This distance may be decreased to 2” (51mm) for noncombustible exterior sidewalls with all approved terminations
‡ A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings
*‡ Only permitted if veranda, porch, deck, or balcony is fully-open on a minimum two sides beneath the floor

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MINIMUM CLEARANCES TO COMBUSTIBLES
Fireplace And Vent Clearances
The fireplace is approved with zero clearance to combustible materials on all sides (Table 7), with the following
exception: The unit may not be recessed (allowance made for mantel legs / side trim in Figure 5). When the unit is
installed with one side flush with a wall, the wall on the other side of the unit must not extend beyond the front edge
of the unit (Figure 5).
Table 7 - Minimum Clearances *
Back 1/2” (13 mm) to wrapper
0” (0 mm) to Spacers
Sides 1/2” (13 mm) to wrapper
0” (0 mm) to Spacers **
Top Standoffs 0” (0 mm)
Floor 0” (0 mm)
From Bottom of Unit to Ceiling 78” (1981 mm)
Vent 3” (76 mm)—Top * **
1” (25.4 mm)—Sides and Bottom
Front Service Clearance—
clearance immediately in front of viewing area(s) 36” (914 mm)—Front 12” (305 mm)—Sides and Bottom
* 3” (76 mm) above any horizontal/inclined vent component.
** See Page 19 for clearance requirements to the nailing flange located at each side of the unit and any screw heads adjacent to it.
The fireplace must be mounted on a fully supported base extending the full width and depth of the unit. The fireplace
may be located on or near conventional construction materials. However, if installed on combustible materials, such
as carpeting, vinyl tile or other combustible material other than wood flooring, the appliance shall be installed on a
metal or wood panel extending the full width and depth of the appliance.
Hearth Extension
A hearth extension must be built from non-combustible, heat-resistant materials (e.g., Micore®160, Glasscrete®,
Durock®, or a similar material). It must extend the width of the fireplace opening and at least 20” in front of the
fireplace.
• A hearth extension is required if the fireplace is installed less than 6” above the finished floor surface.
• A hearth extension is not required if the fireplace is installed at least 6” above the finished floor surface.
Shelf Height
To provide the lowest possible shelf surface, the venting attached to the top vent should be routed in a way to
minimize obstructions to the space above the fireplace. Do not insulate the space between the fireplace and the area
above it (Table 8). The minimum height from the base of the fireplace to the underside of combustible materials
used to construct a utility shelf in this fashion is shown in Table 8.
Table 8 - Combustible Shelf Height—Top Vent
Model Top Vent with one 90° Elbow
78”
Minimum
Shelf Height
(see table)
No combustibles
or insulation
in the shaded
area between
the appliance
and the shelf
above it.
Minimum 12”
(305 mm) vent
section required
before elbow.
Secure Vent®Secure Flex®(flex elbow)
All 73-1/2” (1867 mm) * 73-1/2” (1867 mm) *
* Includes 3” (76 mm) clearance to combustibles (required above vent components)

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Figure 5 - Combustible Side Clearances Figure 6 - Mantel Height
Wall Finishes / Surrounds / Mantels
NOTE: Combustible wall finish materials and/or surround materials must not be allowed to encroach the area defined
by the fireplace front face (black sheet metal). Never allow combustible materials to be positioned in front of or
overlapping the fireplace face (Figure 42).
Non-combustible materials, such as surrounds and other fireplace trim, may be installed on the fireplace face, but they
must not cover any portion of the removable glass panel or control compartment.
Vertical installation clearances to combustible mantels vary according to the depth of the mantel (Figure 6). Mantels
constructed of non-combustible materials may be installed at any height above the fireplace opening. However, do
not allow anything to hang below the fireplace hood. Minimum clearance requirements include any projections such
as shelves, window sills, mantels, etc. above the fireplace.
NOTE: To avoid heat-related finish damage, use finish materials rated 175 °F, or higher, on the underside of the mantel.
INSTALLATION PREPARATION
The fireplace is shipped with all gas controls and components installed and pre-wired. Before installing the fireplace,
follow these steps:
1. Remove the shipping carton and the shipping pad.
2. Remove the top louver, then remove the surround trim assembly by detaching it at the top of the fireplace and
lifting it 1” to disengage the side tabs, then pulling it away from the fireplace exposing the front glass door.
Figure 7 - Removing the surround trim assembly
SCALE 0.200
Side Tabs
3. Locate the four (4) spring-loaded latches; two above and two
below the glass door (Figure 57).
4. Release the lower latches, by pulling each handle out and
down to unhook it from the glass door.
5. Lightly press against the door, to hold it in position, while
releasing the two upper latches.
6. Carefully grip the door at the top and bottom, and remove it
from the fireplace. Place the door in a secure location where it
will not be damaged.
in. (mm)
12
(305) 10
(254)
8
(203) 6
(152)
4
(102) 2
(51)
18 (457)
20 (508)
22 (559)
24 (607)
26 (660)
28 (711)
Standoff
Top of fireplace
Mantel Depth
Mantel Height
5(127)
12 (305)
Top View of
Fireplace
45o
Protected wall shown in white
in. (mm)
Combustible materials
may project beyond
one side of the fireplace
opening as long as
they are kept within the
shaded areas illustrated
here.
Combustible Materials
Allowed In Shaded
Area “Safe Zone”
Combustible Walls
shown in dark gray
At 5-1/2”
side wall
clearance, a
combustible
wall can
project 5”
At 14-1/2”
minimum
side wall
clearance, a
combustible
wall can
project to
any length.
At 13-3/4”
side wall
clearance, a
combustible
wall can
project 12”

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INSTALLATION SEQUENCE
The typical sequence of installation is outlined below; however, each installation is unique and may result in
variations to the steps described.
See the pages referenced in the following steps for detailed instructions.
Framing
1. Construct the Fireplace Framing (Page 16).
2. Prepare the Fireplace Top Standoffs (Page 18).
3. Route the Gas Supply Line to the Fireplace (Page 18).
4. Rough in the Electrical Supply, if Needed (Page 19).
5. Place the Fireplace in the Framing and Secure (Page 19).
Venting
6. Select a Horizontal or Vertical Vent System (Page 20).
7. Install the Vent Restrictor (if necessary) (Page 21).
8. Install the Vent System (Page 23).
Electrical Connection
9. Complete the Field Wiring (Page 33).
10. Installing and initializing the Remote Control System (Page 34).
Gas Connection
11. Connect the Gas Line (Page 36).
12. Verify Proper Fireplace Operation (Page 37).
Finishing
13. Install the Firebox Liners (Page 37).
14. Traditional Fireplaces: Install the Logs (Page 37).
15. Contemporary Fireplaces: Install the Glass Media (Page 37).
16. Install the Glass Door (Page 37).
17. Adjust the Air Shutter to Ensure Proper Flame Appearance (Page 37).
18. Install the Finishing Materials (Page 41).
19. Attach the Safety-in-Operation Warning Labels (Page 42).
1. Construct the Fireplace Framing
1. Frame the fireplace as illustrated in Table 9. For corner framing installations, use Table 11. All framing details
must allow for a minimum clearance to combustible framing members as shown in Table 7.
2. If the fireplace is to be elevated above floor level, a solid continuous platform must be constructed below the fireplace.
NOTE: Headers may be in direct contact with the fireplace top Standoffs maintaining the 15-1/2” (394 mm) clearance
to the fireplace top, but must not be supported by them or notched to fit around them. All construction above the
fireplace must be self-supporting. DO NOT use the fireplace for structural support.

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Table 9 - Fireplace Framing Specifications
Model A B C D
A
B
D
7
(178)
5-1/8
12-1/8
(308)
10-1/2
(267)
C
(130)
A
1/2
Vent Framing—
Top Vent with
12” rise and one
90° Elbow
C is the required framing depth dimension
when the finish material (drywall)
thickness is 1/2” (13mm)
Inches
(millimeters)
Framing should
be constructed
of 2x4 or larger
material
35” 39-3/4”
1010 mm 45-1/4” 1149 mm 24” 610 mm 46-3/4” 1187 mm
40” 44-3/4”
1137 mm 49” 1245 mm 24” 610 mm 50-1/2” 1283 mm
45” 49-3/4”
1264 mm 52-5/8” 1337 mm 24” 610 mm 54-1/4” 1378 mm
Vertical Venting Through the Ceiling:
To frame the ceiling opening, use a plumb line from the ceiling
above the appliance to locate center of the vertical run. Cut and/
or frame an opening, 10-1/2 x 10-1/2” (267 x 267 mm) inside
dimensions, about this center mark.
Table 10 - Fireplace Specifications
Model A B C D E F G
FLUE OUTLET
4-1/2 (114)
COMBUSTION AIR
7-1/2 (190)
E
F
14-3/4
(267)
C
A
G
15-1/2
(394)
B
23
(584)
D
Standoff Assembly
35” 45”
1143 mm 24-3/4” 629 mm 28-3/4” 730 mm 39-1/4” 997 mm 21-7/8” 555 mm 11” 278 mm 28-1/2” 724 mm
40” 48-3/4”
1238 mm 28” 711 mm 33-3/4” 857 mm 44-1/4” 1124 mm 27” 686 mm 13-1/2” 343 mm 32-1/4” 819 mm
45” 52-3/8”
1330 mm 32-1/4” 819 mm 38-3/4” 984 mm 49-1/4” 1251 mm 32” 813 mm 16” 406 mm 36” 914 mm
FLUE OUTLET
4-1/2 (114)
COMBUSTION AIR
7-1/2 (190)
E
F
14-3/4
(267)
C
A
G
15-1/2
(394)
B
23
(584)
D
Table 11 - Corner Framing with Horizontal Termination
Model A B C D E
35” 39-1/4”
1000 mm 68” 1727 mm 48-1/8” 1222 mm 13-3/4” 349 mm 34” 864 mm
40” 44-1/4”
1124 mm 73” 1854 mm 51-5/8” 1311 mm 15-1/2” 394 mm 36-1/2” 927 mm
45” 49-1/4”
1251 mm 78” 1981 mm 55-1/8” 1400 mm 17-1/4” 438 mm 39” 991 mm
NOTE: The horizontal vent length of “A” to “B” must not exceed 28” (711 mm).
Minimum 1”
clearance to
wall from back
of unit.
Back wall of chase/enclosure
(including any finishing materials)
7”
(178 mm)
b
a
C
E
A
B
D

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2. Prepare the Fireplace Top Standoffs
1. Bend each of the two (2) L-shaped standoff components, at the designated places, into a U-shape (Figure 8).
2. Align the closed end of each U-shaped standoff component with the left/right side of the top, front of the
fireplace and the attachement holes in the top of the fireplace (Figure 8). Attach each U-shaped standoff
component with two (2) 5/16” hex head screws (Figure 8 and Figure 9).
3. Align the center support with the holes in the U-shaped standoff components and the top of the fireplace. Attach
the center support with two (2) 5/16” hex head screws in the top and two (2) screws in the bottom (Figure 9).
NOTE: Position the center support with the larger holes at the bottom and the smaller holes at the top.
Figure 8 - Attaching the right standoff Figure 9 - Attaching the left standoff and center
support
Screws Screws
Screws
Screws
3. Route the Gas Supply Line to the Fireplace
1. Route a 1/2” (13 mm) gas line to the left side of the fireplace (Figure 10).
NOTE: Gas lines must be routed, assembled, and made of materials that are in strict accordance with local codes and
regulations. All fireplaces are factory-equipped with a flexible gas line connector and a 1/2” shutoff valve (Page 36).
Figure 10 - Routing the gas line
1-1/2”
(38 mm)
4”
(102 mm)
4-1/2”
(114 mm)
Left Side Front
Corner of
Fireplace Framing
Proper Sizing of Gas Line
Properly size and route the gas supply line from the supply regulator to the area where the appliance is to be installed
per requirements outlined in the National Fuel Gas Code, NFPA 54—latest edition (USA) or CAN/CGA-B149.1—latest
edition (Canada).
The gas supply line should not be connected to the appliance until step 11. Connect the Gas Line (Page 36).
NOTE:
• Never use galvanized or plastic pipe. Refer to Table 12 for proper sizing of the gas supply line, if black iron pipe
is being used. Gas lines must be routed, constructed and made of materials that are in strict accordance with
local codes and regulations.
• Hire a qualified plumber or gas fitter to correctly size and route the gas supply line to the appliance. Installing a
gas supply line from the fuel supply to the appliance involves numerous considerations of materials, protection,
sizing, locations, controls, pressure, sediment, and more. No one unfamiliar and unqualified should attempt
sizing or installing gas piping.
• See Massachusetts Horizontal Vent Requirements for additional requirements for installations in the state of
Massachusetts in the USA.

Installation
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
19
• A pipe joint compound rated for gas should be used on the threaded joints. Ensure propane-resistant
compounds are used in propane applications. Be very careful that the pipe compound does not get inside the
pipe.
• A sediment trap in the supply line as close as possible to the fireplace is recommended.
• Check with the local building official for local code requirements (e.g., Are below grade penetrations of the gas
line allowed?, etc).
Table 12 - Schedule 40 Black Iron Pipe, Inside Diameter
Pipe Length Natural Gas Propane Gas
0–10 ft 1/2” 3/8”
10–40 ft 1/2” 1/2”
40–100 ft 1/2” 1/2”
100–150 ft 3/4” 1/2”
150–200 ft 3/4” 1/2”
CAUTION
If propane is used, be aware that with a tank that is too small (i.e., under 100 lbs, if this
is the only gas appliance in the dwelling—see NPFA 58), there may be a loss of pressure.
This can result in insufficient fuel delivery that can cause sooting, delayed ignition, or other
malfunctions. Any damage resulting from an improper installation is not covered by the
limited warranty.
4. Rough in the Electrical Supply, if Needed
1. As necessary, rough in the fireplace electrical supply per NEC and local codes.
5. Place the Fireplace in the Framing and Secure
NOTE: Combustible framing may be in direct contact with the nailing flanges and may be located within 1/2” of screw
heads and the firebox wrapper in areas adjacent to the nailing flanges.
Frame the opening to the exact dimensions specified in the framing details in this manual.
1. Bend out the appropriate nailing flanges for the drywall / finish material to be used (Figure 11). Nailing flanges
are provided for:
• flush framing,
• 1/2”, and
• 5/8” framing depths.
2. Secure the fireplace to the side framing members using the unit’s nailing flanges—one top and bottom on each
side of the fireplace front (Figure 11). Use 8d nails or the equivalent.
Figure 11 - Nailing Flanges
Nailing Flanges
Are Provided At
All Four Corners
Side
Framing
Unit
Nailing
Flanges
5/8 in.
1/2 in.
Flush
Side
framing
Unit nailing flange
(no clearance to combustible
framing is required)
5/8”
1/2”
Flush

Installation
900005-00, 10/2015
Innovative Hearth Products
Envy™ Direct-Vent Gas Fireplaces
20
If desired install lower front filler panel
Unit is shipped from the factory with a filler shipped loose with the unit. This filler is not needed if the non combustible
hearth material extends up 7/8” above the base of the fireplace.
This filler can be used to fill the gap below the barrier frame assembly to be flush with other hearth designs. It extends
out .5” to be flush with the trim on the barrier or out to 1-1/2” for deeper finish material. To adjust from 1/2” to 1-1/2”
bend tabs opposite direction and install upside down. Filler is secured to unit with one screw each side.
DIAGRAM A
DIAGRAM B
DIAGRAM C
Without Bottom Trim
Bend Tab Back and
Forth Until it Breaks Off Bottom Trim Barrier
Flush Position
Bottom Trim Barrier
Extended Position
Bend Tab Back
and Forth Until
it Breaks Off