Regency Horizon HZ42E-NG Quick start guide

WARNING:
Iftheinformationintheseinstructionsarenotfollowedexactly,
a fire or explosion may result causing property damage,
personal injury or loss of life.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
FOR YOUR SAFETY
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.
Immediately call your gas supplier
from a neighbour's phone. Follow
the gas supplier's instructions.
If you cannot reach your gas
supplier, call the fire department.
FPI FIREPLACE PRODUCTS INTERNATIONAL LTD. 6988 Venture St., Delta, BC Canada, V4G 1H4
918-932
Regency Horizon™HZ42E
Gas Fireplace
06/25/13
Owners &
Installation Manual
www.regency-fire.com
Tested by:
Installer
Installer
: Please complete the details on the back cover
: Please complete the details on the back cover
and leave this manual with the homeowner.
Homeowner: Please keep these instructions for future reference.
MODELS: HZ42E-NG Natural Gas
HZ42E-LP Propane

2HZ42E Regency Horizon™ Gas Fireplace
To the New Owner:
Congratulations!
You are the owner of a state-of-the-art Gas Fireplace by REGENCY®. The HZ42E has been
designed to provide you with all the warmth and charm of a fireplace at the flick of a switch. The
model HZ42E has been approved by Warnock Hersey/Intertek for both safety and efficiency. As
it also bears our own mark, it promises to provide you with economy, comfort and security for
many trouble free years to follow. Please take a moment now to acquaint yourself with these
instructions and the many features of your Regency®Fireplace.
Regency Horizon
Gas Inserts Benefits Video

HZ42E Regency Horizon™ Gas Fireplace 3
MANUFACTURED MOBILE HOME REQUIREMENTS
INFORMATION FOR MOBILE/MANUFACTURED HOMES AFTER FIRST SALE
This Regency®product has been tested and listed by Warnock Hersey/Intertek as a Direct Vent Wall Furnace to the following standards:
VENTEDGASFIREPLACEHEATERSANSIZ21.88a-2007/CSA2.33a-2007andGAS-FIREDAPPLIANCESFORUSEATHIGHALTITUDES
CAN / CGA 2.17-M91.
This Direct Vent System Appliance must be installed in accordance with the manufacturer's installation instructions and the Manufactured
Home Construction and Safety Standard, Title 24 CFR, Part 3280, or the current Standard of Fire Safety Criteria for Manufactured Home
Installations, Sites, and Communities ANSI/NFPA 501A, and with CAN/CSA Z240-MH Mobile Home Standard in Canada.
This appliance installation must comply with the manufacturer's installation instructions and local codes, if any. In the absence of local codes
followthe currentNational FuelGas Code,ANSIZ223.1andthecurrentNationalElectricalCodeANSI/NFPA70in theU.S.A., andthe current
CAN/CGA B149 Gas Installation Code and the current Canadian Electrical Code CSA C22.1 in Canada.
This appliance comes equipped with a dedicated #8 Ground Lug for attachment of the ground wire to the steel chassis as applicable to
local codes.
The appliance, when installed, must be electrically grounded in accordance with local codes or, in the absence of local codes, with the
National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1.
This appliance may only be installed in an aftermarket permanently located, manufactured (U.S.Aonly) or mobile home, where not prohibited
by local codes.
This appliance can only be used with the type of gas indicated on the rating plate. This appliance is not convertible for use with other gases.
Ensure that structural members are not cut or weakened during installation.

4HZ42E Regency Horizon™ Gas Fireplace 4
TABLE OF CONTENTS
SAFETY LABEL
Copy of Safety Decal.....................................................5
REQUIREMENTS
MA Code - CO Detector.................................................6
DIMENSIONS
Unit Dimensions ............................................................7
INSTALLATION
Important Message ......................................................8
Before You Start ............................................................8
General Safety Information............................................8
Installation Checklist......................................................9
Locating Your Gas Fireplace .........................................9
Clearances ..................................................................10
Mantel Clearances.......................................................11
Mantel Leg Clearances................................................11
Unit Assembly Prior To Installation..............................12
Standoff Assembly...............................................12
Nailing Strips........................................................12
Framing Dimensions....................................................13
Non-Combustible Requirements .................................14
non-combustible facing installation .............................14
Framing & Finishing.....................................................15
Vent Restrictor Position...............................................17
Exterior Vent Termination Requirements.....................18
4” x 6-5/8” Rigid Pipe ..................................................19
Cross Reference Chart only........................................19
Venting Introduction.....................................................21
Venting Arrangement for Horizontal Terminations.......21
Horizontal Terminations...............................................22
Flex Vent 4" x 6-5/8"....................................................22
Horizontal terminations................................................23
Rigid Pipe 4" x 6-5/8"...................................................23
Horizontal Terminations...............................................24
Rigid Pipe 4" x 6-5/8"...................................................24
Venting Arrangement for Vertical Terminations............27
Rigid Pipe 4" x 6-5/8" Vertical Terminations ................29
Rigid Pipe 4" x 6-5/8"...................................................29
Unit Installation with Horizontal Termination ...............31
4" x 6-5/8"venting ........................................................31
Unit Installation with Horizontal Termination ...............32
Unit installation with Vertical Termination ....................33
4" x 6-5/8" venting .......................................................33
High Elevation Gas Line Installation............................34
Pilot Adjustment...........................................................34
Gas Pipe Pressure Testing..........................................34
886 S.I.T. Valve Description.........................................34
Aeration Adjustment ....................................................34
Wiring Diagram............................................................35
optional accent lighting Wiring Diagram .....................36
Optional Wall Thermostat ...........................................38
Optional Remote Control.............................................38
Gt /GTm remote features.............................................38
Wall Switch..................................................................38
GT remote installation .................................................39
GTM remote installation ..............................................40
Optional Reflective Panel Installation..........................42
Optional Light Installation............................................43
Glass Crystals or optional stones................................46
Installation On Burner..................................................46
Glass door Installation.................................................48
Faceplate Installation..................................................49
OPERATING INSTRUCTIONS
Operating Instructions .................................................51
First Fire ......................................................................51
Lighting Procedure ......................................................51
Shutdown Procedure...................................................51
Normal Operating Sounds of Gas Appliances.............51
Copy of Lighting Plate Instructions..............................52
Maintenance Instructions.............................................53
General Vent Maintenance..........................................53
Glass Gasket...............................................................53
Glass Door...................................................................53
Glass Replacement .............................................53
Glass Door Removal ...................................................54
Valve assembly Replacement .....................................55
Bulb replacement.........................................................56
PARTS LIST
Main Assembly ............................................................57
WARRANTY
The Warranty: Limited Lifetime ...................................59

HZ42E Regency Horizon™ Gas Fireplace 5
SAFETY LABEL
This is a copy of the label that accompanies each HZ42E-NG and HZ42E-LP Direct Vent Gas Fireplace. We have printed a copy of the contents here for
your review.
NOTE: Regency®units are constantly being improved. Check the label on the unit and if there is a difference, the label on the unit is the correct one.
COPY OF SAFETY DECAL
FortheState of Massachusetts, installation
and repair must be done by a plumber or
gasfitter licensed in the Commonwealth of
Massachusetts.
FortheStateofMassachusetts,flexiblecon-
nectorsshallnotexceed36inchesinlength.
For the State of Massachusetts, the appli-
ances individual manual shut-off must be a
t-handle type valve.
The State of Massachusetts requires the
installation of a carbon monoxide alarm in
accordancewithNFPA720and a COalarm
withbatterybackupinthesameroomwhere
the gas appliance is installed.
DO NOT REMOVE THIS LABEL / NE PAS ENLEVER CETTE ÉTIQUETTE
371
DOOR SEAL: Please
check that the door is
properly sealed
FPI Fireplace Products International Ltd. Delta, BC, Canada
Minimum Clearances to Combustibles /
Degagement Minimum De Materiaux Combustibles
Serial No./ No de serie
918-931
MAY BE INSTALLED IN MANUFACTURED (MOBILE) HOMES AFTER FIRST SALE.
Listed:
Certified for/Certifi e pour:
Tested to:
VENTED GAS FIREPLACE HEATER /
CANADA and U.S.A.
FOYER AU GAZ À ÉVACUATION
é
CAN/CGA-2.17-M91,ANSI Z21.88a-2007/CSA 2.33a-2007
4001172
Electrical supply / Électrique 115VAC, 1.13 A, 60Hz.
NOT FOR USE WITH SOLID FUELS. /
NE PAS UTILISER AVEC DU COMBUSTIBLE SOLIDE.
Made in Canada/ Fabrique au Canada
(See Instruction Manual for
detailed instructions)
ÉÉ
é
QUIP A L'UISINE POUR GAZ PROPANE
CONCU POUR ETRE POELE: Mod le HZ42E
PROPANE GAS: Model HZ42E-LP
Minimum supply pressure
Manifold pressure high
Manifold pressure low
Orifice size
Minimum input
Maximum input
Altitude
NATURAL GAS: Model HZ42E-NG
APPAREIL FONCTIONNANT AU NATURAL GAS
CONCU POUR ETRE POELE: Mod le HZ42E
Pression d'allimentation minimum
Pression à la tubulure d' chappement lev e
Pression à la tubulure d' chappement basse
Grandeur de l'injecteur
D bit minimum selon
D bit maximum selon
l'altitude
Calorifique
Calorifique
é
ééé
é
é
é
5.0" (1.25 kPa)
3.5" (0.87 kPa)
1.6" (0.40 kPa)
#40 DMS
0-4500 ft/pi (0-1372 m)
WC/C.E.
WC/C.E.
WC/C.E.
17,500 Btu/h (5.13 kW)
26,000 Btu/h (7.62 kW)
Pression d'allimentation minimum
Pression à la tubulure d' chappement lev e
Pression à la tubulure d' chappement basse
Grandeur de l'injecteur
D bit minimum selon
D bit maximum selon
l'altitude
Calorifique
Calorifique
ééé
é
é
é
12“ WC (2.98 kpa)
WC/C.E.
WC/C.E.
19,500 Btu/h (5.71 kW)
24,500 Btu/h (7.18 kW)
10" (2..49 kPa)
6.4" (1.60 kPa)
#53 DMS
0-4500 ft/pi (0-1372 m)
Minimum supply pressure
Manifold pressure high
Manifold pressure low
Orifice size
Minimum input
Maximum input
Altitude
D
E
F
A
B
C
Side Walls
A 8” (203mm)
B 22” (559mm)
C 13" (330mm)
D 13” (330mm)
E 84" (2133mm)
F 36" (914mm)
Ceiling
Min. Mantel Height
Max. Mantel Depth
Alcove Width
Alcove Depth
This appliance must be installed in accordance with local codes, if any; if none, follow the National Fuel Gas Code, ANSI Z223.1, or Natural Gas and Propane Installation Code, CSA B149.1.
This appliance must be installed in accordance with the Standard CAN/CSAZ240 MH, Mobile Housing, in Canada, or with the Manufactured Home Construction and Safety Standard, Title 24 CFR, Part 3280, in
the United States, or when such a standard is not applicable,ANSI/NCSBCS A225.1/NFPA 501A, Manufactured Home Installations Standard orANSIA119.2 ou NFPA 501C Standard for Recreational Vehicles
This appliance is only for use with the type of gas indicated on the rating plate and may be installed in an aftermarket, permanently located, manufactured (mobile) home where not prohibited by local codes. See
owner's manual for details.
Installer l'appareil selon les codes ou règlements locaux, ou, en l'absence de tels règlements, selon les codes d'installationANSI Z223.1, National Fuel Gas Code ou CSA-B149.1 en vigueur.
Installer l'appareil selon la norme CAN/CSA-Z240, Série MM, Maison mobiles ou CAN/CSA-Z240 VC, Véhicules de camping, ou la norme 24 CFR Part 3280, Manufactured Home Construction and Safety
Standard. Si ces normes ne sont pas pertinentes, utilisez la norme ANSI/NCSBCS A225.1/NFPA 501A, Manufactured Home Installations Standard, ou ANSI A119.2 ou NFPA 501C Standard for Recreational
Vehicles.
This vented gas fireplace heater is not for use with air filters. Ne pas utiliser de filtre à air avec ce foyer au gaz à évacuation.
FOR USE WITH GLASS DOORS CERTIFIED WITH THE APPLIANCE ONLY
Cet appareil doit être utilize uniquement avec le type de gaz indiqué sur la plaque signalétique. Cet appareil peut être installé dans une maison préfabriquée ou mobile (É.-U. seulement) installée à demeure si
les règlements locaux le permettent. Voir la notice de l'utilisateur pour plus de renseignements. Cet appareil ne peut pas être utilisé avec d'autres gaz sauf si une trousse de conversion certifiée est fournie.
POUR UTILISATION UNIQUEMENTAVEC LES PORTES EN VERRE CERTIFIÉES AVEC L'APPAREIL

6HZ42E Regency Horizon™ Gas Fireplace 66
REQUIREMENTSREQUIREMENTS
5.08: Modifications to NFPA-54, Chapter 10
(2) Revise 10.8.3 by adding the following additional requirements:
(a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or in part for
residential purposes, including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than
seven (7) feet above finished grade in the area of the venting, including but not limited to decks and porches, the following requirements shall
be satisfied:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall horizontal vented gas fueled
equipment, the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back-up is
installed on the floor level where the gas equipment is to be installed. In addition, the installing plumber or gasfitter shall observe that a battery
operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure
served by the side wall horizontal vented gas fueled equipment. It shall be the responsibility of the property owner to secure the services of
qualified licensed professionals for the installation of hard wired carbon monoxide detectors
a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the hard wired carbon
monoxide detector with alarm and battery back-up may be installed on the next adjacent floor level.
b. In the event that the requirements of this subdivision can not be met at the time of completion of installation, the owner shall have a period of
thirty (30) days to comply with the above requirements; provided, however, that during said thirty (30) day period, a battery operated carbon
monoxide detector with an alarm shall be installed.
2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required in accordance with the above provisions
shall comply with NFPA 720 and be ANSI/UL 2034 listed and IAS certified.
3. SIGNAGE. A metal or plastic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight
(8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment. The
sign shall read, in print size no less than one-half (1/2) inch in size, "GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS".
4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation
unless, upon inspection, the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR
5.08(2)(a)1 through 4.
(b) EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment Not Required To Be Vented" in the most current edition of NFPA 54 as adopted by
the Board; and
2. Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling, building or
structure used in whole or in part for residential purposes.
(c) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM PROVIDED. When the manufacturer of Product
Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment, the
instructions provided by the manufacturer for installation of the equipment and the venting system shall include:
1. Detailed instructions for the installation of the venting system design or the venting system components; and
2. A complete parts list for the venting system design or venting system.
(d) MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED. When the manufacturer of a
Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases, but identifies
"special venting systems", the following requirements shall be satisfied by the manufacturer:
1. The referenced "special venting system" instructions shall be included with the appliance or equipment installation instructions; and
2. The "special venting systems" shall be Product Approved by the Board, and the instructions for that system shall include a parts list and
detailed installation instructions.
(e) A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment, all venting instructions,
all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or equipment at the completion of
the installation.
MA Code - CO Detector
(for the State of Massachusetts only)

HZ42E Regency Horizon™ Gas Fireplace 77
DIMENSIONSDIMENSIONS
UNIT DIMENSIONS
47” (1194mm)
15-5/8” (397mm)
18-5/8” (473mm)
½” (13mm)
30” (762mm)
48-3/4” (1238mm)
23-5/8” (600mm)
14-5/32” (360mm)
28-7/8” (733mm)
1-½” (38mm)
36” (914mm)
12-7/8” (327mm)
½” (13mm)
36-7/8” (937mm)
1-½” (38mm)
41-3/16”” (1046mm)
21-3/16” (538mm)
38”” (965mm)

8HZ42E Regency Horizon™ Gas Fireplace 8
INSTALLATIONINSTALLATION
10) Beaware of electricalwiringlocations in walls
andceilingswhencuttingholesfortermination.
11) Undernocircumstancesshouldthisappliance
bemodified.Partsthathavetoberemovedfor
servicingshouldbereplacedpriortooperating
this appliance.
12) Installation and any repairs to this appliance
should be done by an authorized service per-
son. A professional service person should be
calledtoinspectthisapplianceannually.Make
it a practice to have all of your gas appliances
checked annually.
13) Do not slam shut or strike the glass door.
14) Undernocircumstancesshouldanysolidfuels
(wood, paper, cardboard, coal, etc.) be used
in this appliance.
15) The appliance area must be kept clear and
freeofcombustiblematerials,(gasesandother
flammable vapours and liquids).
Emissions from burning wood or gas could
contain chemicals known to the State of
California to cause cancer, birth defects or
other reproductive harm.
IMPORTANT MESSAGE
SAVE THESE
INSTRUCTIONS
TheHZ42E Direct VentFireplace must be installed
inaccordancewiththeseinstructions.Carefullyread
all the instructions in this manual first. Consult the
"authorityhavingjurisdiction"todeterminetheneed
for a permit prior to starting the installation. It is the
responsibilityoftheinstallertoensurethisfireplace
is installed in compliance with manufacturers
instructions and all applicable codes.
BEFORE YOU START
Safe installation and operation of this appliance
requirescommonsense,however,wearerequired
by the Canadian Safety Standards and ANSI
Standards to make you aware of the following:
GENERAL SAFETY
INFORMATION
1) The appliance installation must conform with
local codes or, in the absence of local codes,
with the current Canadian or National Gas
Codes,CAN1-B149orANSIZ223.1Installation
Codes.
2) The appliance when installed, must be electri-
callygroundedinaccordance withlocalcodes,
orintheabsenceoflocalcodeswiththecurrent
NationalElectricalCode,ANSI/NFPA70orCSA
C22.1 Canadian Electrical Code.
3) See general construction and assembly in-
structions. The appliance and vent should be
enclosed.
4) Thisappliancemustbeconnectedtothespeci-
fied vent and termination cap to the outside of
the building envelope. Never vent to another
room or inside a building. Make sure that the
vent is fitted as per Venting instructions.
5) Inspect the venting system annually for block-
age and any signs of deterioration.
6) Venting terminals shall not be recessed into a
wall or siding.
7) Any safety glass removed for servicing must
be replaced prior to operating the appliance.
8) To prevent injury, do not allow anyone who is
unfamiliarwiththeoperationtousethefireplace.
9) Wear gloves and safety glasses for protection
while doing required maintenance.
CHILDREN AND ADULTS SHOULD BE
ALERTED TO THE HAZARDS OF HIGH
SURFACE TEMPERATURES, ESPE-
CIALLY THE FIREPLACE GLASS, AND
SHOULD STAY AWAYTO AVOID BURNS
OR CLOTHING IGNITION.
INSTALLATION AND REPAIR SHOULD
BE DONE BY AN AUTHORIZED
SERVICE PERSON. THE APPLIANCE
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,ETC. IT IS IMPERATIVETHAT
CONTROL COMPARTMENTS,BURNERS
AND CIRCULATING AIR PASSAGEWAYS
OF THE APPLIANCE BE KEPT CLEAN.
DUE TO HIGH TEMPERATURES, THE
APPLIANCE SHOULD BE LOCATED
OUT OF TRAFFIC AND AWAY FROM
FURNITURE AND DRAPERIES.
WARNING: FAILURE TO INSTALL THIS
APPLIANCE CORRECTLY WILL VOID
YOUR WARRANTY AND MAY CAUSE A
SERIOUS HOUSE FIRE.
CLOTHING OR OTHER FLAMMABLE
MATERIAL SHOULD NOT BE PLACED
ON OR NEAR THE APPLIANCE.
YOUNG CHILDREN SHOULD BE CARE-
FULLY SUPERVISED WHENTHEY ARE
IN THE SAME AREA AS THE APPLI-
ANCE. TODDLERS,YOUNG CHILDREN
AND OTHERS MAY BE SUSCEPTIBLE
TO ACCIDENTAL CONTACT BURNS. A
PHYSICAL BARRIERS IS RECOMMEND-
ED IFTHERE ARE AT RISK INDIVIDUAL
INTHE HOUSE. TO RESTRICT ACCESS
TO A FIREPLACE OR STOVE, INSTALL
AN ADJUSTABLE SAFETY GATE TO
KEEP TODDLERS, YOUNG CHILDREN
AND OTHER AT RISK INDIVIDUALS OUT
OF THE ROOM AND AWAY FROM HOT
SURFACES.

HZ42E Regency Horizon™ Gas Fireplace 9
INSTALLATION
This includes:
1) Clocking the appliance to ensure the correct
firing rate (rate noted on label 26,000 Btu/h
(NG),24,500Btu/h(LP)afterburningappliance
for 15 minutes.
2) If required, adjusting the primary air to ensure
that the flame does not carbon. First allow the
unit to burn for 15-20 min. to stabilize.
CAUTION: Any alteration to the product that
causessootingorcarboningthatresultsindam-
ageisnottheresponsibilityofthemanufacturer.
INSTALLATION
CHECKLIST
1) Locate appliance
a) Roomlocation(Referto"LocatingYourGas
fireplace" section)
b) Clearances to Combustibles (Refer to
"Clearances" section)
c) Mantle Clearances (Refer to "Mantel
Clearances" section)
d) Framing & Finishing Requirements (Refer
to "Framing & Finishing" section)
e) Venting Requirements (Refer to "Venting"
section)
2) Assemble Standoffs (Refer to "UnitAssembly
Prior to Installation).
3) Slide unit into place.
4) Install vent (Refer to "Venting Arrangement"
sections).
5) Make gas connections (Refer to "Gas Line
Installation section).
6) Make electrical connections to receptacle
supplied with unit (recommended).
7) Test the pilot (Refer to "Pilot Adjustment"
section).
8) TestGasPressure(Referto"GasPipePressure
Testing" section).
9) Installstandard and optional features. Referto
the following sections:
a) Glass Crystals/ Optional Ceramic
Stones
b) Optional Firebox Base Pebbles
c) Optional Reflective Panels
d) Optional Accent Light
e) Faceplate
f) Remote Control or Wall Thermostat
g) Optional AC Power Adaptor
10) Wall Mounted ON/OFF Switch:
Use the toggle wall switch supplied with the
manualpackage.Useofa“decor”switchcauses
higher resistance which is a problem on gas
fireplaces.
11) Final check.
Before leaving this unit with the customer, the
installer must ensure that the appliance is firing
correctly and operation fully explained to
customer.
LOCATING YOUR
GAS FIREPLACE
1) When selecting a location for your fireplace,
ensure that the clearances are met.
2) Theappliancemustbeinstalledon a flat, solid,
continuoussurfaceForexampleawood,metal
or concrete floor or in a raised (on the wall) ap-
plication. The appliance must be installed on
a metal or wood panel extending the full width
and depth of the appliance.
3) The HZ42E Direct Vent Gas Fireplace can be
installed in a recessed position or framed out
into the room as in A, B, C and D.
See Diagram 1.
Diagram 1
A) Flat on Wall
B) Flat on Wall Corner
C) Recessed into Wall/Alcove
D) Corner
4) ThisapplianceisListedforbedroom installations
usingthestandardRemote(millivoltthermostat
system). Some areas may have further
requirements, check local codes before
installation.
5) The HZ42E Direct Vent Gas Fireplace
is approved for alcove installations, see
"Clearances" section for details.
6) We recommendthatyouplanyourinstallationon
paperusingexactmeasurementsforclearances
andfloorprotectionbeforeactuallyinstallingthis
appliance.Haveanauthorizedinspector,dealer,
orinstallerreviewyourplansbeforeinstallation.
Note: For vent terminations refer to "Exterior
Vent Termination Locations" section.

10 HZ42E Regency Horizon™ Gas Fireplace
INSTALLATION
Caution Requirements
The top, back and sides of the fireplace are defined by
standoffs. The metal ends of the standoff may NOT be
recessed into combustible construction.
WARNING
Fire hazard is an extreme risk
if these clearances (air space) to combustible materials are not
adhered to. It is of greatest importance that this fireplace and vent
system be installed only in accordance with these instructions.
CLEARANCES
The clearances listed below are Minimum distances unless otherwise stated:
Amajor causeofchimneyrelatedfires is failure to maintain required clearances (air space) to combustible materials.Itisofthe greatest importance
that this fireplace and vent system be installed only in accordance with these instructions.
Clearance: Dimension Measured From:
A: Mantel Height (min.) 13" (330mm) Top of Fireplace Opening
B: Sidewall (on one side) 8" (203mm) Side of Fireplace Opening
C: Ceiling
(room and/or alcove) 22" (559mm) Top of Fireplace Opening
D: Mantel Depth (max.) 13" (330mm) 22" Above Fireplace Opening
E: Alcove Width 84" (2134mm) Sidewall to Sidewall (Minimum)
F: Alcove Depth 36" (914mm) Front to Back Wall (Maximum)
G: From Floor 25-3/4" Top of Fireplace Opening
Note: 0" No hearth required
Installed close
to ceiling.
Flue Clearances to Combustibles
Horizontal - Top 3"
Horiztonal - Side 2"
Horiztonal - Bottom 2"
Vertical 2"
Passing through wall/
floor/ceiling - when
firestop is used. 1-1/2"
Alcove
E
F
IMPORTANT NOTE
Combustible material can only be installed to
the bottom lip of the fireplace as shown below.
The finished floor must not come in contact with
the front face of the fireplace. Non-combustible
material (see "Framing and Finishing" section)
must act as a barrier between the front face and
finished floor.