Napoleon ASCENT B42NTR User manual

EN
FR
PG
67
W415-1293 / C / 07.28.16
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE.
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE.
NEVER LEAVE CHILDREN OR OTHER AT RISK INDIVIDUALS ALONE WITH THE APPLIANCE
INSTALLATION AND
OPERATING INSTRUCTIONS
Wolf Steel Ltd., 24 Napoleon Rd., Barrie, ON, L4M 0G8 Canada /
103 Miller Drive, Crittenden, Kentucky, USA, 41030
Phone [phone] • Fax [phone] • www.napoleonfireplaces.com • [email protected]
1.28F
$10.00
HOT GLASS WILL CAUSE
BURNS.
DO NOT TOUCH GLASS UNTIL
COOLED.
NEVER ALLOW CHILDREN TO
TOUCH GLASS.
!
DANGER
A barrier designed to reduce the risk of burns from
the hot viewing glass is provided with this appliance
and shall be installed for the protection of children
and other at-risk individuals.
SAFETY INFORMATION
!WARNING
- 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.
• 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.
- Installation and service must be performed by a
qualified installer, service agency or the supplier.
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.
If the information in these instructions
are not followed exactly, a fire or
explosion may result causing property
damage, personal injury or loss of life.
CERTIFIED FOR CANADAAND UNITED STATES USING ANSI/CSAMETHODS.
Decorative Product: Not for use as a heating appliance.
CONFORMS TO AMERICAN NATIONAL STANDARDS: ANSI Z21.50, CERTIFIED TO CANADIAN CSA 2.22 FOR VENTED GAS FIREPLACES
SAFETY BARRIER
B42NTR / B42NTRE
NATURAL GAS MODEL
B42PTR / B42PTRE
PROPANE GAS MODEL

2
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W415-1293 / C / 07.28.16
NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.
TABLE OF CONTENTS
1.0 INSTALLATION OVERVIEW 3
2.0 INTRODUCTION 4
2.1 DIMENSIONS 5
2.2 GENERAL INSTRUCTIONS 6
2.3 GENERAL INFORMATION 7
2.4 RATING PLATE INFORMATION 8
3.0 VENTING 9
3.1 VENTING LENGTHS AND COMPONENTS 10
3.2 TYPICAL VENT INSTALLATION 11
3.3 SPECIAL VENT INSTALLATIONS 13
3.3.1 PERISCOPE TERMINATION 13
3.3.2 CORNER TERMINATION 13
3.4 MINIMUM AIR TERMINAL LOCATION CLEARANCES 14
3.5 VENTING APPLICATION FLOW CHART 15
3.6 DEFINITIONS 15
3.7 ELBOW VENT LENGTH VALUES 16
3.8 TOP EXIT VERTICAL TERMINATION 16
3.9 REAR EXIT HORIZONTAL TERMINATION 18
3.10 TOP AND REAR EXIT VERTICAL TERMINATION 20
3.11 REAR EXIT 22
3.12 REAR EXIT SHIELD (FOR REAR VENT ONLY) 22
3.13 TOP EXIT 23
4.0 INSTALLATION 24
4.1 WALL AND CEILING PROTECTION 24
4.1.2 HORIZONTAL INSTALLATION 25
4.1.1 VERTICAL INSTALLATION 25
4.2 USING FLEXIBLE VENT COMPONENTS 26
4.2.1 HORIZONTAL AIR TERMINAL INSTALLATION 26
4.2.2 VERTICAL AIR TERMINAL INSTALLATION 27
4.2.3 APPLIANCE VENT CONNECTION 28
4.3 USING RIGID VENT COMPONENTS 28
4.3.1 HORIZONTAL AIR TERMINAL INSTALLATION 28
4.3.2 VERTICAL AIR TERMINAL INSTALLATION 29
4.3.3 RESTRICTING VERTICAL VENTS 30
4.4 VERTICAL THROUGH EXISTING CHIMNEY 31
4.5 MOBILE HOME INSTALLATION 32
4.6 GAS INSTALLATION 32
4.7 OPTIONAL WALL SWITCH 33
5.0 FRAMING 33
5.1 MINIMUM FRAMING DIMENSIONS 34
5.2 MINIMUM ENCLOSURE CLEARANCES 36
5.3 NON-COMBUSTIBLE FACING MATERIAL 40
5.4 ALCOVE CLEARANCES 40
5.5 RECESSED INSTALLATION 41
5.6 MINIMUM MANTEL CLEARANCES 42
5.7 NAILING TAB INSTALLATION 42
6.0 FINISHING 43
6.1 SAFETY SCREEN / DOOR REMOVAL AND INSTALLATION 43
6.2 FRONT HOOD INSTALLATION 44
6.3 LOG PLACEMENT 45
6.4 GLOWING EMBERS 45
6.5 LOGO PLACEMENT 46
6.6 BATTERY BACK-UP INSTALLATION 46
6.7 OPTIONAL (AUB) BLOWER INSTALLATION 47
6.8 WIRING DIAGRAM (ELECTRONIC) 48
7.0 OPERATION (ELECTRONIC) 49
8.0 OPERATION (MILLIVOLT) 50
9.0 ADJUSTMENT 51
9.1 PILOT BURNER ADJUSTMENT 51
9.2 VENTURI ADJUSTMENT 51
9.3 FLAME CHARACTERISTICS 52
9.4 OPTIONAL ANTI CONDENSATION SWITCH 52
10.0 MAINTENANCE 53
10.1 ANNUAL MAINTENANCE 54
10.2 DOOR GLASS REPLACEMENT 55
10.3 CARE OF GLASS 55
11.0 REPLACEMENTS 55
11.1 OVERVIEW 56
11.2 ELECTRONIC VALVE TRAIN ASSEMBLY 57
11.3 MILLIVOLT VALVE TRAIN ASSEMBLY 58
12.0 ACCESSORIES 59
13.0 TROUBLESHOOTING (ELECTRONIC) 60
14.0 TROUBLESHOOTING (MILLIVOLT) 62
15.0 WARRANTY 64
16.0 SERVICE HISTORY 65
NOTE: The camera icon indicates video tutorials are available as additional reference,
visit http://mynapoleon.napoleonproducts.com/download/index/44/1

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1.0 INSTALLATION OVERVIEW
Batteries must be disposed of according to the local laws and regulations. Some batteries may be
recycled, and may be accepted for disposal at your local recycling center. Check with your municipality
for recycling instructions.
See the section “MINIMUM
ENCLOSURE CLEARANCES”
for drywall (or other combus-
tible material).
See the section “MINIMUM
MANTEL CLEARANCES”.
See the section
“MINIMUM FRAMING
DIMENSIONS”.
Side
Wall
See the section
“FRAMING”.
See the section
“VENTING” and
“INSTALLATION”.
See the section
“RATING PLATE
INFORMATION”.
SAFETY BARRIER

4
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2.0 INTRODUCTION
• THIS APPLIANCE IS HOT WHEN OPERATED AND CAN CAUSE SEVERE BURNS IF CONTACTED.
• ANY CHANGES TO THIS APPLIANCE OR ITS CONTROLS CAN BE DANGEROUS AND ARE PROHIBITED.
• Do not operate appliance before reading and understanding operating instructions. Failure to operate appliance according to
operating instructions could cause fire or injury.
• Risk of fire or asphyxiation do not operate appliance with fixed glass removed.
• Do not connect 110 volts to the control valve.
• Risk of burns. The appliance should be turned off and cooled before servicing.
• Do not install damaged, incomplete or substitute components.
• Risk of cuts and abrasions. Wear protective gloves and safety glasses during installation. Sheet metal edges may be sharp.
• Do not burn wood or other materials in this appliance.
• Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns
or clothing ignition.
• 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 an appliance 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.
• Clothing or other flammable material should not be placed on or near the appliance.
• Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies.
• Ensure you have incorporated adequate safety measure to protect infants/toddlers from touching hot surfaces.
• Even after the appliance is out, the glass and/or screen will remain hot for an extended period of time.
• Check with your local hearth specialty dealer for safety screens and hearth guards to protect children from hot surfaces. These
screens and guards must be fastened to the floor.
• Any safety screen, guard or barrier removed for servicing the appliance, must be replaced prior to operating the
appliance.
• The appliance is a vented gas-fired appliance. Do not burn wood or other materials in the appliance.
• The appliance area must be kept clear and free from combustible materials, gasoline and other flammable vapors and liquids.
• Under no circumstances should this appliance be modified.
• This appliance must not be connected to a chimney flue pipe serving a separate solid fuel burning appliance.
• 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.
• Do not operate the appliance with the glass door removed, cracked or broken. Replacement of the glass should be done by a
licensed or qualified service person.
• Do not strike or slam shut the appliance glass door.
• When equipped with pressure relief doors, they must be kept closed while the appliance is operating to prevent exhaust fumes
containing carbon monoxide, from entering into the home. Temperatures of the exhaust escaping through these openings can also
cause the surrounding combustible materials to overheat and catch fire.Only doors / optional fronts certified with the unit are to be
installed on the appliance.
• Only doors / optional fronts certified with the unit are to be installed on the appliance.
• Keep the packaging material out of reach of children and dispose of the material in a safe manner. As with all plastic bags, these
are not toys and should be kept away from children and infants.
• As with any combustion appliance, we recommend having your appliance regularly inspected and serviced as well as having a
Carbon Monoxide Detector installed in the same area to defend you and your family against Carbon Monoxide.
• Ensure clearances to combustibles are maintained when building a mantel or shelves above the appliance. Elevated temperatures
on the wall or in the air above the appliance can cause melting, discolouration or damage to decorations, a T.V. or other electronic
components.
• A barrier designed to reduce the risk of burns from the hot viewing glass is provided with this appliance and shall be
installed.
• If the barrier becomes damaged, the barrier shall be replaced with the manufacturer’s barrier for this appliance.
• Installation and repair should be done by a qualified 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 imperative that control compartments, burners and circulating air passageways of
the appliance be kept clean.
• The millivolt version of this appliance uses and requires a fast acting thermocouple. Replace only with a fast acting thermocouple
supplied by Wolf Steel Ltd.
3.1E
!
WARNING

5
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18 5/16"
465mm
7 3/16"
[ 182mm ]
2 3/16"
56mm
GAS
INLET
42"
1067mm
18 7/8"
480mm
11 5/16"
288mm
34 5/8"
[ 879mm ]
SAFETY BARRIER
24 1/8"
613mm
4"
102mm
178mm
7"
2.1 DIMENSIONS

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2.2 GENERAL INSTRUCTIONS
4.1C
THIS GAS APPLIANCE SHOULD BE INSTALLED AND SERVICED BY A QUALIFIED INSTALLER to
conform with local codes. Installation practices vary from region to region and it is important to know the
specifics that apply to your area, for example in Massachusetts State:
• This product must be installed by a licensed plumber or gas fitter when installed within the
commonwealth of Massachusetts.
• The appliance damper must be removed or welded in the open position prior to installation of an
appliance insert or gas log.
• The appliance off valve must be a “T” handle gas cock.
• The flexible connector must not be longer than 36 inches (914mm).
• A Carbon Monoxide detector is required in all rooms containing gas fired appliances.
• The appliance is not approved for installation in a bedroom or bathroom unless the unit is a direct vent
sealed combustion product.
The installation must conform with local codes or, in
absence of local codes, the National Gas and Propane
Installation Code CSA B149.1 in Canada, or the National
Fuel Gas Code, ANSI Z223.1 / NFPA 54 in the United
States. Suitable for mobile home installation if installed
in accordance with the current standard CAN/CSA
Z240MH Series, for gas equipped mobile homes, in
Canada or ANSI Z223.1 and NFPA 54 in the United
States.
A
s long as the required clearance to combustibles is
maintained, the most desirable and beneficial location for an appliance is in the center of a building, thereby
allowing the most efficient use of the heat created. The location of windows, doors and the traffic flow in the
room where the appliance is to be located should be considered. If possible, you should choose a location
where the vent will pass through the house without cutting a floor or roof joist.
If the appliance is installed directly on 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.
Some appliances have optional fans or blowers. If an optional fan or blower is installed, the junction box must
be electrically connected and grounded in accordance with local codes, use the current CSA C22.1 Canadian
Electrical Code in Canada or the ANSI/NFPA 70 National Electrical code in the United States.
We suggest 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
www.ncertied.org
ALWAYS LIGHT THE PILOT WHETHER FOR THE FIRST TIME OR IF THE GAS SUPPLY HAS RUN OUT,
WITH THE GLASS DOOR OPENED OR REMOVED.
PROVIDE ADEQUATE CLEARANCE FOR SERVICING AND OPERATING THE APPLIANCE.
PROVIDE ADEQUATE VENTILATION.
NEVER OBSTRUCT THE FRONT OPENING OF THE APPLIANCE.
OBJECTS PLACED IN FRONT OF THE APPLIANCE MUST BE KEPT A MINIMUM OF 48” (1219mm)
FROM THE FRONT FACE OF THE APPLIANCE.
SURFACES AROUND AND ESPECIALLY ABOVE THE APPLIANCE CAN BECOME HOT. AVOID CONTACT
WHEN THE APPLIANCE IS OPERATING.
FIRE RISK. EXPLOSION HAZARD.
HIGH PRESSURE WILL DAMAGE VALVE. DISCONNECT GAS SUPPLY PIPING BEFORE PRESSURE TESTING GAS
LINE AT TEST PRESSURES ABOVE 1/2 PSIG. CLOSE THE MANUAL SHUT-OFF VALVE BEFORE PRESSURE
TESTING GAS LINE AT TEST PRESSURES EQUAL TO OR LESS THAN 1/2 PSIG (35mb).
USE ONLY WOLF STEEL APPROVED OPTIONAL ACCESSORIES AND REPLACEMENT PARTS WITH THIS APPLIANCE.
USING NON-LISTED ACCESSORIES (BLOWERS, DOORS, LOUVRES, TRIMS, GAS COMPONENTS, VENTING
COMPONENTS, ETC.) COULD RESULT IN A SAFETY HAZARD AND WILL VOID THE WARRANTY AND CERTIFICATION.
THE APPLIANCE MUST NOT BE OPERATED AT TEMPERATURES BELOW FREEZING (32°F / 0°C).
ALLOW THE APPLIANCE TO WARM TO ABOVE FREEZING PRIOR TO OPERATION.
!
WARNING

7
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2.3 GENERAL INFORMATION
FOR YOUR SATISFACTION, THIS APPLIANCE HAS BEEN TEST-FIRED TO ASSURE ITS OPERATION AND
QUALITY!
RATES AND EFFICIENCIES
NG LP
Altitude (FT) 0-4,500 0-4,500
Max. Input (BTU/HR) 22,000 22,000
Min. Inlet Gas Supply Pressure 4.5" (11mb) Water Column 11" (27mb) Water Column
Max. Inlet Gas Supply Pressure 13" (32mb) Water Column 13" (32mb) Water Column
Manifold Pressure (Under Flow Conditions) 3.5" (9mb) Water Column 10" (25mb) Water Column
B42 MODEL DESIGNATIONS
FUEL TYPE OPERATING SYSTEM
B42NTR NATURAL MILLIVOLT
B42NTRE NATURAL ELECTRONIC IGNITION
B42PTR PROPANE MILLIVOLT
B42PTRE PROPANE ELECTRONIC IGNITION
This appliance is approved for bathroom, bedroom and bed-sitting room installations and is suitable for
mobile home installation.
No external electricity (110 volts or 24 volts) is required for the milivolt operating system.
Expansion / contraction noises during heating up and cooling down cycles are normal and are to be
expected.

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2.4 RATING PLATE INFORMATION
W385-2069
CONFORMS TO / CONFORMEAUX:ANSI Z21.50-2014, CERTIFIEDTO / CERTIFIE CSA2.22-2014 VENTED GAS FIREPLACE / FOYER À GAZ VENTILÉ.
FOYER À GAZ VENTILÉ DIRECT. HOMOLOGUE POUR INSTALLATION DANS UNE CHAMBRE ACOUCHER,
UNE SALLE DE BAIN ET UN STUDIO.APPROPRIE POUR INSTALLATION DANS UNE MAISON MOBILE SI
SON INSTALLATION CONFORMEAUX EXIGENCES DE LANORME CAN/CSAZ240MH SERIE DE MAISONS
MOBILES EQUIPEES AU GAZ, EN VIGUEURAU CANADAOUAUX ETATS-UNIS DE LANORME DE SECURITE
ET DE CONSTRUCTION DE MAISONS MANUFACTUREES, TITRE 24 CFR, SECTION 3280. DANS LE CAS OU
CETTE NORME D'ETATS-UNIS NE PEUT ETREAPPLIQUEE, SE REFERERALANORME RELATIVE AU
CRITERE DE MESURES DE SECURITE CONTRE L'INCENDIE POUR LES INSTALLATIONS DANS LES
MAISONS MANUFACTURES, LES SITES ETLES COMMUNAUTES,ANSI/NFPA 501A. POUR UNE UTILISER
AVEC BARRIÈRE W565-0150. SUIVEZ LES INSTRUCTIONS D'INSTALLATION SE
TROUVENT DA NS LE MANUEL D'INSTALLATION.
DIRECT VENT GAS FIREPLACE. SUITABLE FOR BEDROOM, BATHROOM AND BED-SITTING ROOM
INSTALLATION. SUITABLE FOR MOBILE HOME INSTALLATION IF INSTALLED IN
ACCORDANCE WITH THE CURRENT STANDARD CAN/CSA Z240MH SERIES GAS EQUIPPED
MOBILE HOMES, IN CANADA OR IN THE UNITED STATES THE MANUFACTURED HOME
CONTRUCTION AND SAFETY STANDARD, TITLE 24 CFR, PART 3280. WHEN THIS US
STANDARD IS NOT APPLICABLE USE THE STANDARD FOR FIRE SAFETY CRITERIA FOR
MANUFACTURED HOME INSTALLATIONS, SITESAND COMMUNITIES,ANSI / NFPA 501A. FOR
USE WITH BARRIER W565-0150. FOLLOW THE INSTALLATION INSTRUCTIONS LOCATED IN THE
INSTALLATION MANUAL.
9700539 (WSL) 4001657 (NGZ)
4001658 (NAC) 4001659 (WUSA)
0-4500FT (0-1370m) ALTITUDE / ELEVATION 0-4500FT (0-1370m)
22,000 BTU/h INPUT / ALIMENTATION 22,000 BTU/h
17,300 BTU/h REDUCED INPUT /ALIMENTATION REDUITE 19,500 BTU/h
MANIFOLD PRESSURE: 3.5" (9MB) WATER COLUMN MANIFOLD PRESSURE: 10" (25MB) WATER COLUMN
PRESSION AU COLLECTEUR: 3.5" (9 MB) D'UNE COLONNE D'EAU PRESSION AU COLLECTEUR: 10" (25MB) D'UNE COLONNE D'EAU
MINIMUM SUPPLY PRESSURE: 4.5" (11MB) WATER COLUMN MINIMUM SUPPLY PRESSURE: 11" (27MB) WATER COLUMN
PRESSION D'ALIMENTATION MINIMALE: 4.5" (11MB) D'UNE COLONNE D'EAU PRESSION D'ALIMENTATION MINIMALE: 11" (27MB) D'UNE COLONNE D'EAU
MAXIMUM SUPPLY PRESSURE: 7.0" (17MB) WATER COLUMN MAXIMUM SUPPLY PRESSURE: 13" (32MB) WATER COLUMN
PRESSION D'ALIMENTATION MAXIMALE: 7.0" (17MB) D'UNE COLONNE D'EAU PRESSION D'ALIMENTATION MAXIMALE: 13" (32MB) D'UNE COLONNE D'EAU
P4: 65% P4: 65%
NOT FOR USE WITH SOLID FUEL. FOR USE WITH GLASS DOORS
CERTIFIED WITH THIS UNIT ONLY.
WARNING: THIS FIREPLACE USES AND REQUIRES A FASTACTING THERMOCOUPLE. REPLACE
ONLY WITH AFAST ACTING THERMOCOUPLE SUPPLIED BY WOLF STEEL LTD.
DO NOTADDANY MATERIAL TO THEAPPLIANCE, WHICH WILL COME IN CONTACT WITH THE FLAMES,
OTHER THAN THAT SUPPLIED BY THE MANUFACTURER WITH THE APPLIANCE. MINIMUM CLEARANCE
TO COMBUSTIBLE MATERIALS /
DEGAGEMENTS MINIMAUX DES MATERIAUX COMBUSTIBLES:
TOP/ DESSUS 0 RECESSED DEPTH / PROFONDEUR D'ENCASTRE 18"
FLOOR / PLANCHER 0 VENT SIDES / COTES DE L'EVENT 1"
SIDES / COTES 0 VENT TOP / EVENT SUPERIEUR 3"
BACK / ARRIERE 0 VENT BOTTOM / EVENT INFERIEUR 1"
MANTEL / MANTEAU 2" *
* MAXIMUM HORIZONTAL EXTENSION / L'EXTENSION HORIZONTALE MAXIMALE: 2". SEE INSTRUCTION
MANUAL FOR GREATER EXTENSIONS. REFERER AU MANUELD'INSTRUCTION POUR DES
EXTENSIONS PLUS GRANDES.
SEE OWNER'S INSTRUCTION MANUAL FOR MINIMUMAND MAXIMUM VENT LENGTHS.
REFERER AU MANUELD'INSTALLATION DE PROPRIETAIRE POUR LES LONGUEURS
D'EVACUATION MINIMALE ET MAXIMALE.
WOLF STEEL LTD.
24 NAPOLEON ROAD, BARRIE, ON, L4M 0G8 CANADA
UN COMBUSTIBLE SOLIDE NE DOIT PAS ETRE UTILISE AVEC CET
APPAREIL. UTILISER AVEC LES PORTES VITREES HOMOLOGUEES
SEULEMENT AVEC CETTE UNITE.
AVERTISSEMENT: CE FOYER UTILISE ET REQUIERT UNTHERMOCOUPLE ÀACTION RAPIDE.
REMPLACEZ UNIQUEMENT AVEC UN THERMOCOUPLE À ACTION RAPIDE DE WOLF STEEL LTÉE.
N’AJOUTEZ PAS A CET APPAREIL AUCUN MATERIAU DEVANT ENTRER EN CONTACT AVEC LES FLAMMES
AUTRE QUE CELUI QUI EST FOURNI AVEC CET APPAREIL PAR LE FABRICANT.
THE APPLIANCE MUSTBE VENTED USING THEAPPROPRIATE WOLF STEEL VENT KITS. SEE OWNERS
INSTALLATION MANUAL FOR VENTING SPECIFICS. PROPER REINSTALLATIONAND RESEALING IS
NECESSARYAFTER SERVICINGTHE VENT-AIR INTAKE SYSTEM.
L'APPAREIL DOIT EVACUER SES GAZ EN UTILISANT L'ENSEMBLE D'EVACUATION PROPRE ANAPOLEON.
REFERER AU MANUELD'INSTALLATION DE PROPRIETAIRE POUR L'EVACUATION PRECISE. IL EST
IMPORTANT DE BIEN REINSTALLER ET RESCELLER L'EVENTAPRESAVOIR ASSURE LE MAINTIEN DU
SYSTEME DE PRISE D'AIR.
DECORATIVE PRODUCT: NOT FOR USE AS A HEATING APPLIANCE
PRODUIT DÉCORATIF: NE PAS UTILISER COMMEAPPPAREIL DE CHAUFFAGE.
ELECTRICAL RATING / CLASSIFICATION: 115V 0.82AMP, 60HZ
OPTIONAL FAN KIT / ENSEMBLE DE VENTILATEUR FACULTATIF: EP35
SERIAL NUMBER/NO. DE SERIE: B42
B42NTR CB42NTR MODEL CB42PTR B42PTR
B42NTRE CB42NTRE CB42PTRE B42PTRE
INSTALLER: It is your responsibility to check off the appropriate box on the rating plate according to
the model, venting and gas type of the appliance.
For rating plate location, see “INSTALLATION OVERVIEW” section.
This illustration is for reference only. Refer to the rating plate on the appliance for accurate information.
NOTE: The rating plate must remain with the appliance at all times. It must not be removed.
A barrier designed to reduce the risk of burns from the hot viewing glass, is provided with the
appliance and shall be installed.
EPLACE /PLACE
LÉ DIRECT. HOLÉ DIRECT.
AIN ET UN STUDIO.AN ET UN STUDIO
TION CONFORME AUX EXON CONFORME AUX E
QUIPEES AU GAZ, EN VIGUEURAUIPEES AU GAZ, EN VIGU
ONSTRUCTION DE MAISONS MANUFATRUCTION DE MAISONS MANUFA
NORME D'ETATS-UNIS NE PEUT ETREAP
D'ETATS-UNIS NE PEUT ETREAP
TERE DE MESURES DE SECURITE CONTRERES DE SECURITE CONTRE
MAISONS MANUFACTURES, LES SITES ETLEURES, LES SITES ET L
AVEC BARRIÈRE W56EC BARRIÈRE W56
TROUVENT DA NSUVENT DA N
4001657 (NGZ)40
400165940016
(WUSA)
L
L
TUDE / ELEVATIONTUDE / ELEVATION
0-4500F0-4500
PUT / ALIMENTATIONPUT / ALIMENTATION
22,0022,0
D INPUT /ALIMENTATION REDUITE 19NPUT /ALIMENTATION REDUITE 19
ER COLUMNER COLUMN
MANIFOLD PRESSURMANIFO
OLONNE D'EAULONNE D'EAU
PRESSION AU COLPRES
WATER COLUMNWATER COLU
MINIMUM SUPPLMINI
NE COLONNE D'EAUOLONNE D'EA
PRESSION D'APRESS
7MB) WATER COLUMNATER COLUMN
MAXIMUM SMAXIMUM
) D'UNE COLONNE D'EAUONNE D'EAU
PRESSIORESSIO
P
4
:P4
65
%65%
P
4:
65%65
H GLASS DOORSGLASS DOORS
TING THERMOCOUPLE. REPLACEMOCOUPLE. REPLACE
LF STEEL LTD.
LL COMEL COME
IN CONTACT WITH THE FLAMES,IN CONTACT WITH THE FLAMES
ITH THEAPPLIANCE. MINIMUM CLEARANTH THEAPPLIANCE. MINIMUM CLEA
STIBLES:
/ PROFONDEUR D'ENCASTRE 18"DEUR D'ENCASTRE 18"
OTES DE L'EVENTNT
1
"1"
VENT SUPERIEURVENT SUPE
3"3
OM / EVENT INFERIEUROM / EVENT INFERIEUR
L'EXTENSION HORIZONTALE MAXIMALE:
EXTENSION HORIZONTALE MAXIM
S. REFERER AU MANUELD'INSTRUCTION
REFERER AU MANUEL D'INSTRUCTIO
ON MANUAL FOR MINIMUMAND MA
MANUAL FOR MINIMUMAND M
ALLATION DE PROPRIETAIRELLATION DE PROPRIETAIR
AXIMALE.
M 0G8 CANA
M 0G8 CANA
UNU
SAMPLE
DEL CB42PTR B42PTL CB42PTR B42
LE
PL
L
PL
CB42PTRE B4CB42PTRE B4

9
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3.0 VENTING
7.1F
THIS APPLIANCE USES A 4” (102mm) EXHAUST / 7” (178mm) AIR INTAKE VENT PIPE SYSTEM.
Refer to the section applicable to your installation.
For safe and proper operation of the appliance follow the venting instruction exactly. Deviation from the
minimum vertical vent length can create difficulty in burner start-up and/or carboning. Under extreme
vent configurations, allow several minutes (5-15) for the flame to stabilize after ignition. Although not a
requirement, it is recommended for vent lengths that pass through unheated spaces (attics, garages, crawl
spaces) be insulated with the insulation wrapped in a protective sleeve to minimize condensation. Provide
a means for visually checking the vent connection to the appliance after the appliance is installed. Use a
firestop, vent pipe shield or attic insulation shield when penetrating interior walls, floor or ceiling.
The vent terminal may be painted with a high temperature paint to match exterior colours. Use an outdoor
paint suitable for 400°F (200°C). Application and performance of paint is the consumer’s responsibility. Spot
testing is recommended.
NOTE: If for any reason the vent air intake system is disassembled; reinstall per the instructions
provided for the initial installation.
NOTE: This appliance must be installed with a continuous connection of exhaust and air intake vent
pipes. Utilizing alternate constructions such as a chimney as part of the vent system is not permitted.
!
WARNING
RISK OF FIRE, MAINTAIN SPECIFIED AIR SPACE CLEARANCES TO VENT PIPE AND APPLIANCE.
IF VENTING IS INCLUDED WITH SPACERS THE VENT SYSTEM MUST BE SUPPORTED EVERY 3FT
(0.9m) FOR BOTH VERTICAL AND HORIZONTAL RUNS. USE SUPPORTS OR EQUIVALENT
NON-COMBUSTIBLE STRAPPING TO MAINTAIN THE REQUIRED CLEARANCE FROM
COMBUSTIBLES. USE WOLF STEEL LTD. SUPPORT RING ASSEMBLY W010-0370 OR EQUIVALENT
NON-COMBUSTIBLE STRAPPING TO MAINTAIN THE MINIMUM CLEARANCE TO COMBUSTIBLES
FOR BOTH VERTICAL AND HORIZONTAL RUNS. SPACERS ARE ATTACHED TO THE INNER PIPE AT
PREDETERMINED INTERVALS TO MAINTAIN AN EVEN AIR GAP TO THE OUTER PIPE. THIS GAP IS
REQUIRED FOR SAFE OPERATION. A SPACER IS REQUIRED AT THE START, MIDDLE AND END OF
EACH ELBOW TO ENSURE THIS GAP IS MAINTAINED. THESE SPACERS MUST NOT BE REMOVED.

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3.1 VENTING LENGTHS AND COMPONENTS
Use only Wolf Steel, Simpson Dura-Vent, Selkirk Direct Temp, American Metal Amerivent or Metal-Fab
venting components. Minimum and maximum vent lengths, for both horizontal and vertical installations,
clearances from vent pipes to combustibles and air terminal locations as set out in this manual apply to
all vent systems and must be adhered to. For Simpson Dura-Vent, Selkirk Direct Temp, American Metal
Amerivent and Metal-Fab follow the installation procedure provided with the venting components.
A starter adaptor must be used with the following vent systems and may be purchased from the
corresponding supplier:
For Simpson Dura-Vent, Selkirk Direct Temp, American Metal Amerivent and Metal-Fab follow the
installation procedure found on the website for your venting supplier.
For vent systems that provide seals on the inner exhaust flue, only the outer air intake joints must be sealed
using a red high temperature silicone (RTV). This same sealant may be used on both the inner exhaust and
outer intake vent pipe joints of all other approved vent systems except for the exhaust vent pipe connection
to the appliance flue collar which must be sealed using the black high temperature sealant Mill Pac. High
temperature sealant must be ordered separately.
When using Wolf Steel venting components, use only approved Wolf Steel rigid / flexible components with the
following termination kits: wall terminal kit GD-222, GD-222R, or 1/12 to 7/12 pitch roof terminal kit
GD-110, 8/12 to 12/12 roof terminal kit GD-111, flat roof terminal kit GD-112 or periscope kit GD-201 (for wall
penetration below grade). With flexible venting, in conjunction with the various terminations, use either the
5 foot (1.5m) vent kit GD-220 or the 10 foot (3.1m) vent kit GD-330.
For optimum flame appearance and appliance performance, keep the vent length and number of
elbows to a minimum. The air terminal must remain unobstructed at all times. Examine the air
terminal at least once a year to verify that it is unobstructed and undamaged.
Rigid and flexible venting systems must not be combined. Different venting manufacturer
components must not be combined.
These vent kits allow for either horizontal or vertical venting of the appliance. The maximum allowable
horizontal run is 20 feet (6.1m). The maximum allowable vertical vent length is 40 feet (12.2m). The maximum
number of vent connections is two horizontally or three vertically (excluding the appliance and the air terminal
connections) when using flexible venting.
PART 4”/7” SUPPLIER WEBSITE
Duravent W175-0053 Wolf Steel www.duravent.com
Amerivent 4DSC-N2 American Metal www.americanmetalproducts.com
Direct Temp 4DT-AAN Selkirk www.selkirkcorp.com
SuperSeal 4DNA Metal-Fab www.mtlfab.com
8.1B

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3.2 TYPICAL VENT INSTALLATION
16" (406MM)
MINIMUM
40 FT (12M)
MAXIMUM
3 FT (1M)
MINIMUM
34 5/8"
(879MM)
TOP VENT
8" (203MM)
MINIMUM
34 5/8"
(879MM)
42 5/8" (1083MM)
MINIMUM PLUS
RISE*
24" (610MM)
MAXIMUM
* See "VENTING" section

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REAR VENT
* See "VENTING" section
40 FT (12M)
MAXIMUM
3 FT (1M)
MINIMUM
16" (406MM)
MINIMUM
24 3/16" (614MM)
MINIMUM PLUS
RISE*
20" (508MM)
MAXIMUM
24 3/16"
(614MM)

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3.3 SPECIAL VENT INSTALLATIONS
3.3.1 PERISCOPE TERMINATION
Use the periscope kit to locate the air termination above grade. The periscope must be installed so that
when final grading is completed, the bottom air slot is located a minimum 12” (304.8mm) above grade.
The maximum allowable vent length is 10’ (3.1m).
9.4B
20” (508mm)
MAXIMUM
6” (152.4mm)
RISE
3.3.2 CORNER TERMINATION
12" (305MM)
MINIMUM
TO GRADE
12" (305MM)
MINIMUM
TO GRADE
30" (762MM)
MINIMUM
30" (762MM)
MINIMUM
34 5/8"
(879MM)
The maximum vent length for a corner installation is 20" (508mm) of horizontal run, in addition to the 45°
offset. Using rigid venting, zero rise is acceptable. Using flexible venting, it is required to maintain a
6"(152mm) rise. See illustrations below.
Flex Venting Rigid Venting

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3.4 MINIMUM AIR TERMINAL LOCATION CLEARANCES
12.1D
NOTE: Clearances are in accordance with local installation codes and the requirements of the gas supplier.
COVERED BALCONY APPLICATIONS ††*
QMIN RMAX MAX
R
= 3 feet
(0.9m) = 2 x IHHW
(4.6m)
QACTUAL
R
QS
GP
INSTALLATIONS
CANADA U.S.A.
A12” (305mm) 12” (305mm) Clearance above grade, veranda porch, deck or balcony.
B12” (305mm)Δ9” Clearance to windows or doors that open.
C12” (305mm)* 12” (305mm) * Clearance to permanently closed windows.
D18”
(457mm)** 18” (457mm)** Vertical clearance to ventilated soffits located above the terminal within a horizontal distance of 2’ (0.6m) from the center line of the terminal.
E12” (305mm)** 12” (305mm)** Clearance to unventilated soffit.
F0” (0mm) 0” (0mm) Clearance to an outside corner wall.
G
0” (0mm)*** 0” Clearance to an inside non-combustible corner wall or protruding non-combustible obstructions (chimney, etc.).
2” (51mm)*** 2” Clearance to an inside combustible corner wall or protruding combustible obstructions (vent chase, etc.).
H3’(0.9m) 3’ (0.9m)**** Clearance to each side of the center line extended above the meter / regulator assembly to a maxi-
mum vertical distance of 15’ (4.6m).
I3’ (0.9m) 3’ (0.9m)**** Clearance to a service regulator vent outlet.
J12” (305mm) 9” (229mm) Clearance to a non-mechanical air supply inlet to the building or a combustion air inlet to any other appliance.
K6’ (1.8m) 3’ (0.9m) † Clearance to a mechanical air supply inlet.
L7’ (2.1m) ‡ 7’ (2.1m) **** Clearance above a paved sidewalk or paved driveway located on public property.
M12” (305mm)†† 12” Clearance under a veranda, porch or deck.
N16” (406mm) 16” (406mm) Clearance above the roof.
O2’ (0.6m)†* 2’ (0.6m) †* Clearance from an adjacent wall including neighbouring buildings.
P8’ (2.4m) 8’(2.4m) Roof must be non-combustible without openings.
Q3’ (0.9m) 3’ (0.9m) See chart for wider wall dimensions.
R6’ (1.8m) 6’ (1.8m) See chart for deeper wall dimensions. The terminal shall not be installed on any wall that has an
opening between the terminal and the open side of the structure.
S12” (305mm) 12” (305mm) Clearance under a covered balcony
Δ The terminal shall not be located less than 6 feet under a window that opens on a horizontal plane in a structure with three walls and a roof.
* Recommended to prevent condensation on windows and thermal breakage
** It is recommended to use a heat shield and to maximize the distance to vinyl clad soffits.
*** The periscope requires a minimum 18 inches clearance from an inside corner.
**** This is a recommended distance. For additional requirements check local codes.
† 3 feet above if within 10 feet horizontally.
‡ A vent shall not terminate where it may cause hazardous frost or ice accumulations on adjacent property surfaces.
†† Permitted only if the veranda, porch, or deck is fully open on a minimum of two sides beneath the floor.
†* Recommended to prevent recirculation of exhaust products. For additional requirements check local codes.
††* Permitted only if the balcony is fully open on a minimum of one side.

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3.5 VENTING APPLICATION FLOW CHART
13.3A
TOP EXIT
Horizontal Termination Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of
35 feet (10.7m)
Horizontal run +
vertical rise to
maximum of 24.75
feet (7.5m)
Horizontal run +
vertical rise to
maximum of
35 feet (10.7m)
Horizontal run +
vertical rise to
maximum of
35 feet (10.7m)
4.2 times the
vertical rise equal to
or greater than the
horizontal run
3 times the vertical
rise equal to or
greater than the
horizontal run
13.2A
REAR EXIT
Horizontal Termination Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to Horizontal run +
vertical rise to
maximum of
24.75 feet (7.5m)
Horizontal run +
vertical rise to Horizontal run +
vertical rise to
3.5 times the
vertical rise equal to
or greater than the
horizontal run
3 times the vertical
rise equal to or
greater than the
horizontal run
maximum of 40 feet
(12m) maximum of 40 feet
(12m) maximum of 40 feet
(12m)
3.6 DEFINITIONS
14.1
For the following symbols used in the venting calculations and examples are:
> - greater than
> - equal to or greater than
< - less than
< - equal to or less than
HT- total of both horizontal vent lengths (Hr) and offsets (Ho) in feet
HR- combined horizontal vent lengths in feet
HO- offset factor: .03 (total degrees of offset - 90°*) in feet
VT- combined vertical vent lengths in feet

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3.7 ELBOW VENT LENGTH VALUES
15.1A
FEET INCHES MILLIMETERS
1° 0.03 0.5 12.7
15° 0.45 6.0 152.4
30° 0.9 11.0 279.4
45° 1.35 16.0 406.4
90°* 2.7 32.0 812.8
* The first 90° offset has a zero value and is shown in the formula as - 90°
16.1B
Simple venting configuration (only one 90° elbow)
(HT) < (VT)
For vent configurations requiring more than one 90° elbow, the following formulas apply:
Formula 1: HT< VT
Formula 2: HT+ VT< 40 feet (12.2m)
Example:
V1= 3 FT (0.9m)
V2= 8 FT (2.4m)
VT= V1+ V2= 3 FT (0.9m ) + 8 FT (2.4m) = 11 FT (3.4m)
H1= 2.5 FT (0.8m)
H2= 2 FT (0.6m)
HR= H1+ H2= 2.5 FT (0.8m) + 2 FT (0.6m) = 4.5 FT (1.4m)
HO= .03 (three 90° elbows - 90°) = .03 (270° - 90°) = 5.4 FT (1.7m)
HT= HR+ HO= 4.5 FT (1.4m) + 5.4 FT (1.6m) = 9.9 FT (3m)
HT+ VT= 9.9 FT (3m) + 11 FT (3.4m) = 20.9 FT (6.4m)
Formula 1: HT< VT
9.9 FT (3m) <11 FT (3.4m)
Formula 2: HT+ VT< 40 FT (12.2m)
20.9 FT (6.4m) < 40 FT (12.2m)
Since both formulas are met, this vent configuration is acceptable.
See graph to determine the required vertical
rise VTfor the required horizontal run HT.
The shaded area within the lines represents
acceptable values for HTand VT
02.5
(0.8) 5 (1.5) 7.5 (2.3) 10 (3.1) 12.5 (3.8) 15 (4.6)
40 (12.2)
10 (3.1)
20 (6.1)
30 (9.1)
17.5
(5.3) 20 (6.1)
39 (11.9)
REQUIRED
VERTICAL
RISE IN FEET
(METERS)VT
HORIZONTAL VENT RUN PLUS OFFSET IN
FEET (METERS) HT
90°
90°
90°
V1
V2
H1
H2
3.8 TOP EXIT VERTICAL TERMINATION

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(HT) > (VT)
Simple venting configuration
(only one 90° elbow) See graph to determine the required vertical rise VTfor the required horizontal run HT.
HORIZONTAL VENT RUN PLUS OFFSET IN FEET (METERS) HT
For vent configurations requiring more than one 90° elbow, the following formulas apply:
Formula 1: HT< 4.2 VT
Formula 2: HT+ VT < 24.75 feet (7.5m)
Example:
V1 = VT = 6 FT (1.8m)
H1 = 3 FT (0.9m)
H2 = 5 FT (1.5m)
HR = H1 + H2 = 3FT (0.9m) + 5FT (1.5m) = 8FT (2.4m)
HO = .03 (two 90° elbows - 90°) = .03 (180° - 90°) = 2.7FT (0.8m)
HT =HR + HO = 8FT (2.4m) + 2.7FT (0.8m) = 10.7FT (3.3m)
HT + VT = 10.7FT (3.3m) + 6FT (1.8m) = 16.7FT (5.1m)
Formula 1: HT < 4.2 VT
4.2 VT =4.2FT (1.3m) x 6FT (1.8m) = 25.2FT (7.7m)
Formula 2: HT + VT < 24.75 FT (7.5m)
16.7 FT (5.1m) < 24.75 FT (7.5m)
Since both formulas are met, this vent configuration is acceptable.
The shaded area within the lines represents acceptable values for HT and VT
90°
V1
H1H2
90°
Example:
V1 = 4 FT (1.2m)
V2 = 1.5 FT (0.5m)
VT = V1 + V2 = 4 FT (1.2m) + 1.5 FT (0.5m) = 5.5 FT (1.7m)
H1 = 2 FT (0.6m)
H2 = 1 FT (0.3m)
H3 = 1 FT (0.3m)
H4 = 1.5 FT (0.5m)
HR = H1 + H2 + H3 + H4= 2FT (0.6m) + 1FT (0.3m) + 1FT (0.3m) + 1.5FT (0.5m) = 5.5 FT (1.7m)
HO = .03 (four 90° elbows - 90°) = .03 (360° - 90°) = 8.1 FT (2.5m)
HT =HR + HO = 5.5 FT (1.7m) + 8.1 FT (2.5m) = 13.6 FT (4.2m)
HT + VT = 13.6 FT (4.2m) + 5.5 FT (1.7m) = 19.1 FT (5.8m)
Formula 1: HT < 4.2 VT
4.2 VT =4.2 FT (1.3m) x 5.5 FT (1.7m) = 23.1 FT (7m)
13.6 FT (4.2m) < 23.1 FT (7m)
Formula 2: HT + VT < 24.75 FT (7.5m)
19.1 FT (5.8m) < 24.75 FT (7.5m)
Since both formulas are met, this vent configuration is acceptable.
90°
90°
90° 90°
H1
H2
V1
V2
H3
H4
05
(1.5) 15 (4.6) 20 (6.1)
100 (2540)
50 (1270)
150 (3810)
12.5
(3.8)
8 (203)
57 (1447.8)
147 (3733.8)
2
(0.6)
10
(3.1) 19.5
(5.9)
REQUIRED
VERTICAL
RISE IN INCHES
(MILLIMETERS) VT
16.16

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02.5
(0.8) 5 (1.5) 7.5 (2.3) 10 (3.1) 12.5 (3.8) 15 (4.6)
40 (12.2)
10 (3.1)
20 (6.1)
30 (9.1)
17.5
(5.3) 20 (6.1)
1.6
(0.5)
1.6 (0.5)
38.3 (11.7)
90°
V1
V2
H1
H2
90°
90°
90°
H3
Simple venting configuration
(only two 90° elbows) See graph to determine the required vertical rise VTfor the required
horizontal run HT.
REQUIRED
VERTICAL
RISE IN
FEET
(METERS) VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET (METERS) HT
The shaded area within the lines represents acceptable values for HT
and HT
(HT) < (VT)
16.3A
For vent configurations requiring more than two 90° elbows, the following formulas apply:
Formula 1: HT< VT
Formula 2: HT+ VT < 40 feet (12.2m)
Example:
V1 = 9 FT (2.7m)
V2 = 6 FT (1.8m)
VT = V1 + V2 = 9FT (2.7m) + 6FT (1.8m) = 15FT (4.6m)
H1 = 3 FT (0.9m)
H2 = 2 FT (0.6m)
H3 = 1.5 FT (0.5m)
HR = H1 + H2 + H3 = 3FT (0.9m) + 2FT (0.6m) + 1.5FT (0.5m) = 6.5FT (2m)
HO = .03 (four 90° elbows - 90°) = .03 (360° - 90°) = 8.1 FT (2.5m)
HT =HR + HO = 6.5FT (2m) + 8.1FT (2.5m) = 14.6FT (4.5m)
HT + VT = 14.6FT (4.5m) + 15FT (4.6m) = 29.6 FT (9m)
Formula 1: HT < VT
14.6 FT (4.5m) < 15 FT (4.6m)
Formula 2: HT + VT < 40 FT (12.2m)
29.6 FT (9m) < 40 FT (12.2m)
Since both formulas are met, this vent configuration is acceptable.
3.9 REAR EXIT HORIZONTAL TERMINATION

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Simple venting configuration
(only two 90° elbows) See graph to determine the required vertical rise VTfor the
required horizontal run HT.
REQUIRED
VERTICAL RISE IN
INCHES
(MILLIMETERS)VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET (METERS) HT
The shaded area within the lines represents acceptable
values for HT and HT
90°
V1
V2
H1
H2
90°
90°
90°
H3
(HT) > (VT)
50 (1270)
100 (2540)
150(3810)
02.5
(0.8) 5 (1.5) 7.5 (2.3) 10 (3.1) 12.5 (3.8) 15 (4.6) 17.5 (5.3) 20 (6.1)
147 (3733.8
12
(304.8)
66
(1676.4)
1
(0.3) 3.5 (1.1) 19.25 (5.9)
16.3_2B
For vent configurations requiring more than two 90° elbows, the following formulas apply:
Formula 1: HT< 3.5VT
Formula 2: HT+ VT < 24.75 feet (7.5m)
Example:
V1 = 4 FT (1.2m)
V2 = 1.5 FT (0.5m)
VT = V1 + V2 = 4FT (1.2m) + 1.5FT (0.5m) = 5.5 FT (1.7m)
H1 = 2 FT (0.6m)
H2 = 1 FT (0.3m)
H3 = 1 FT (0.3m)
H4 = 1.5 FT (0.5m)
HR = H1+ H2+H3+H4= 2FT(0.6m) + 1FT(0.3m) + 1FT(0.3m) + 1.5FT(0.5m) = 5.5 FT(1.7m)
HO = .03 (four 90° elbows + one 45° elbow - 90°)
= .03 (90 + 90 + 90 + 90 + 45 - 90) = 9.45 FT (2.9m)
HT =HR + HO = 5.5FT (1.7m) + 9.45FT (2.9m) = 14.95FT (4.6m)
HT + VT = 14.95FT (4.6m) + 5.5FT (1.7m) = 20.45FT (6.2m)
Formula 1: HT < 3.5VT
3.5VT = 3.5FT (1.1m) x 5.5FT (1.7m) = 19.25FT (5.9m)
14.95 FT (4.6m) < 19.25 FT (5.9m)
Formula 2: HT + VT < 24.75 FT (7.5m)
20.45 FT (6.2m) < 24.75 FT (7.5m)
Since both formulas are met, this vent configuration is acceptable.
50 (1270)
100 (2540)
150(3810)
02.5
(0.8) 5 (1.5) 7.5 (2.3) 10 (3.1) 12.5 (3.8) 15 (4.6) 17.5 (5.3) 20 (6.1)
147 (3733.8
8 (203)
66
(1676.4)
1
(0.3) 3.5 (1.1) 19.25 (5.9)

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3.10 TOP AND REAR EXIT VERTICAL TERMINATION
Simple venting configurations. See graph to determine the required vertical rise VTfor the
required horizontal run HT.
REQUIRED
VERTICAL RISE
IN FEET
(METERS)VT
HORIZONTAL VENT RUN PLUS OFFSET IN FEET
(METERS) HT
The shaded area within the lines represents acceptable
values for HT and HT
05
(1.5) 10 (3.1) 15 (4.6) 20 (6.1)
40 (12.2)
10 (3.1)
20 (6.1)
30 (9.1)
3 (0.9)
(HT) < (VT)
18.2A
For vent configurations requiring one or more 90° elbows (top exit) or one or more 90° elbows
(rear exit), the following formulas apply:
Formula 1: HT< VT
Formula 2: HT+ VT < 40 feet (12.2m)
Example:
V1 = 5 FT (1.5m)
V2 = 6 FT (1.8m)
V3 = 10 FT (3.1m)
VT = V1 + V2 + V3 = 5FT (1.5m) + 6FT (1.8m) + 10FT (3.1m) = 21 FT (6.4m)
H1 = 8 FT (2.4m)
H2 = 2.5 FT (0.8m)
HR = H1+ H2= 8FT (2.4m) + 2.5FT (0.8m) = 10.5FT (3.2m)
HO = .03 (four 90° elbows - 90°)
= .03 (360° - 90°) = 8.1 FT (2.5m)
HT =HR + HO = 10.5FT (3.2m) + 8.1FT (2.5m) = 18.6FT (5.7m)
HT + VT = 18.6FT (5.7m) + 21FT (6.4m) = 39.6FT (12.1m)
Formula 1: HT < 3.5VT
18.6 FT (5.7m) < 21 FT (6.4m)
Formula 2: HT + VT < 40 FT (12.2m)
39.6FT (12.1m) < 40 FT (12.2m)
Since both formulas are met, this vent configuration is acceptable.