Montigo P38 Instruction Manual

XG0199 - 170223
Installation & Maintenance Manual
• Theinstallationofthisreplacemustbedonebya
qualiedandcertiedgasapplianceinstaller.
• Checklocalcodesandreadallinstructionspriorto
installation.
®
C
US
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in serious injury,
death, or property damage.
—Donotstoreorusegasolineorotherammable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.
• 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re
department.
—Installationandservicemustbeperformedbyaqualied
installer,serviceagencyorthegastter.
P and PL Series INDOOR GAS FIREPLACE
P38, PL38 25,000 BTU/hr Natural Gas or Propane Gas
P42, PL42 32,000 BTU/hr Natural Gas or Propane Gas
P52, PL52 40,000 BTU/hr Natural Gas or Propane Gas
Read and understand this manual. Improper installation, adjustment,
alteration, service or maintenance can cause serious injury, property
damage or even death. For assistance or additional information
consult a qualied installer, service agency or the gas supplier.
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.
HOT GLASS WILL
CAUSE BURNS.
DO NOT TOUCH GLASS
UNTIL COOLED.
NEVER ALLOW CHILDREN
TO TOUCH GLASS.
Installation and service must be performed by a qualied installer,
service agency or the gas tter.
Installer: Leave this manual with the appliance.
Consumer: Retain this manual for suture reference.
NOTICE
CAUTION
DANGER
DANGER

XG0199 - 1702232
General
Congratulations on your purchase of a Montigo Fireplace.
With over 30 years of experience, Montigo is committed to providing
you with a gas fireplace that is not only a beautiful addition to your
space, but that is also designed and manufactured to the highest
safety, reliability and engineering standards.
We strongly encourage you to read and carefully follow the
instructions laid out in this Installation, Operation and Maintenance
Manual and retain it for your future reference. Pay special attention
to all cautions, warnings, and notices throughout this manual
intended to ensure your safety.
This manual covers installation, operation and maintenance. Lighting,
operation and care of this replace can be easily performed by the
homeowner. All installation and service work should be performed
by a qualied or licensed installer, plumber or gas tter as certied
by the state, province, region or governing body where the replace
is being installed.
This installation, operation and maintenance manual is applicable
to the models described in Table 1. Refer to your rating plate to
verify included options.
Warranty and Installation Information: (See Appendix B)
The Montigo warranty will be voided by, and Montigo disclaims any
responsibility for, the following actions:
• Modication of the replace and/or components including Direct-
Vent assembly or glass doors.
• Use of any component part not manufactured or approved by
Montigo in combination with this Montigo replace system.
• Installation other than as instructed in this manual.
• Consult your local Gas Inspection Branch on installation
requirements for factory-built gas replaces. Installation & repairs
should be done by a qualied contractor.
P38DFN-F X 25,000 X X
P38DFL-F X 25,000 X X
PL38DFN-F X 25,000 X X
PL38DFL-F X 25,000 X X
P42DFN-F X 32,000 X X
P42DFL-F X 32,000 X X
PL42DFN-F X 32,000 X X
PL42DFL-F X 32,000 X X
P52DFN-F X 40,000 X X
P52DFL-F X 40,000 X X
PL52DFN-F X 40,000 X X
PL52DFL-F X 40,000 X X
MODEL Natural Gas Liquid Propane Gas Rating (BTU hr) Linear Burner w/ Glass Accessories SIT Electronic Ignition
Introduction
Safety Alert Key
Indicates a hazardous situation which, if
not avoided, WILL result in death or serious
injury or property damage.
Indicates a hazardous situation which, if not
avoided, WILL result in minor or moderate
injury.
Indicates a hazardous situation which, if not
avoided, COULD result in death or serious
injury or property damage.
Indicates practices that are important, but
not related to personal injury.
DANGER
CAUTION
WARNING
NOTICE
Figure 1 P and PL Specications

XG0199 - 170223 3
General
Contents
Safety Alert Key .................................................................................................................................. 2
Introduction........................................................................................................................................ 2
Section A: Before You Begin .................................................................................................... 4
Installation Checklist ................................................................................................................. 4
Standard Installation Checklist ................................................................................................ 5
Rating Plate Sample .................................................................................................................. 6
Section 1: Product Dimensions ........................................................................................................ 7
P/PL 38 and 42 Dimensions ..................................................................................................... 7
P/PL 52 Dimensions .................................................................................................................. 8
Section 2: Framing ............................................................................................................................ 9
Clearances:...............................................................................................................................11
Installing The Standoffs .......................................................................................................... 11
Installing the Nailing Flange Extension.................................................................................11
Section 3: Venting ............................................................................................................................ 12
Section 3-2: Installing a Roof Mounted Direct Vent Termination for 5''/8'' (PVTK1SS) ...........13
Section 3-2-1: Venting Layout ................................................................................................ 13
5"/ 8" Piping for P52 and PL52 units .....................................................................................14
Section 3-3: Installing a Wall Mounted Termination 5''/8''..........................................................15
Installing a Wall Mounted Termination 5''/10''.............................................................................16
Section 3-3-1: Venting Layout: Wall Mounted Termination........................................................17
Top Venting Graph P38, PL38: ...............................................................................................17
Rear Venting Graph P38, PL38:.............................................................................................. 18
Top Venting Graph P42, PL42: ...............................................................................................19
Rear Venting Graph P42, PL42:.............................................................................................. 20
Top Venting Graph (5''/8'') P52, PL52: ...................................................................................21
Top Venting Graph (5''/10'') P52, PL52:.................................................................................22
45° Corner Installation 5''/8'':.................................................................................................23
45° Corner Installation 5''/10'':...............................................................................................23
45° or less Corner Installation 5''/8'': .................................................................................... 23
45° or less Corner Installation 5''/10'': ..................................................................................23
Section 3-3-2: Venting Components......................................................................................24
Section 3-3-2.2: Simpson Duravent Venting Components .................................................25
Section 3-3-2.3: ICC Venting Components*.......................................................................... 26
Section 3-3-2.4: Metalfab Venting Components*................................................................26
Section 3-3-3: Heat Shields 5''/8'' ...................................................................................................27
Heat Shields 5''/10'' (For P52DF and PL52DF)............................................................................... 28
Section 4: Wiring .............................................................................................................................. 29
Installation of Electrical Supply.............................................................................................. 29
Installation of the wall switch.................................................................................................30
CPI [Continuous Pilot Ignition] / IPI [Intermittent Pilot Ignition] Jumper Cable Installation ... 31
“Why use CPI mode”? .............................................................................................................. 31
The difference between IPI and CPI: ..................................................................................... 31
Installing the CPI Jumper Cable ............................................................................................. 31
Section 5: Installing the gas line..................................................................................................... 32
Fuel Type .................................................................................................................................. 32
Gas Pressure ............................................................................................................................ 32
Section 5-3: GAS CONNECTION ............................................................................................. 32
Section 6: Finishing .......................................................................................................................... 33
Finishing Around the Fireplace.............................................................................................. 33
Mantels & Surrounds.............................................................................................................. 34
Section 7: Screen Installation and Removal.................................................................................. 35
Removing the Screen .............................................................................................................. 35
To Install Screens:.................................................................................................................... 35
Replacement Screens:............................................................................................................. 35
Section 8: Installing & Removing the Door ................................................................................... 36
Removing the door:................................................................................................................. 36
Reinstalling the door............................................................................................................... 36
Section 9: Installing the Accessories.............................................................................................. 37
Installing the Uplighting Glass ............................................................................................... 37
Installing the Firestones or optional Fireglass .................................................................... 37
Installing Optional Speckled Stones ..................................................................................... 37
Optional Log Set ...................................................................................................................... 38
Log Kit Installation................................................................................................................... 38
Remote Operation (Optional for PL Units) ................................................................................... 41
Section 10: Cleaning and Maintenance ........................................................................................ 45
General ..................................................................................................................................... 45
Cleaning.................................................................................................................................... 45
Replacing Light Bulbs.............................................................................................................. 46
Troubleshooting ...................................................................................................................... 46
Replacement Parts........................................................................................................................... 47
Appendix A: Venting Terminations ................................................................................................ 48
Appendix B: Warranty ..................................................................................................................... 49
Appendix C: Amendment
(Gas Fireplace / Equipment sold in the State of Massachusetts)............................................... 50

XG0199 - 1702234
General
IMPORTANT MESSAGE: SAVE THESE INSTRUCTIONS
The P and PL Series replaces must be installed in accordance with
these instructions. Carefully read all the instructions in this manual
rst. Consult the Local Gas Branch to determine the need for a permit
prior to starting the installation. It is the responsibility of the installer to
ensure this replace is installed in compliance with the manufacturers
instructions and all applicable codes.
Installation Checklist
• Determine the desired install location of your replace.
• See Section 1, Dimensions on Page 7, and refer to the Framing
Section 2 for details.
• Select the location of your termination and resulting vent run.
• Your selected termination location must be the highest point in the
Direct Vent installation.
• Should it be impossible to meet the venting requirements laid out
in Section 3: Venting, please contact your Montigo dealer regarding
the use of a Montigo Power Vent.
• Lay out the Vent run; calculating the required elbows and straight
runs of 5"/8" ex and/or rigid pipe (5''/10" for P52 and PL52).
• Layout Electrical Requirements refer to Section 4: Wiring, for Details.
• Refer to Section 5: Installing the Gas Line, for details on the gas
connection and access.
• Refer to local codes and guidelines for installation requirements.
• Installation and repairs should be done by a qualied contractor
and must conform to:
• Installations in Canada must conform to the local codes or in the
absence of local codes to the current version of Natural Gas and
Propane Installation Code, CSA B149. Electrical installations must
conform to the local codes or, in the absence of local codes, to the
current version of Canadian Electrical Code, CSA C22.1.1
• Installations in the USA must conform to the local codes or in the
absence of local codes to the current version of National Fuel Gas
Code, ANSI Z223.1/NFPA 54. Electrical installations must conform
to the local codes or, in the absence of local codes, to the current
version of the National Electrical Code, ANSI/NFPA 70. See Appendix
C for installation within the State of Massachusetts
Do not use this appliance if any part has been under water.
Immediately call a qualied service technician to inspect the appliance
and to replace any part of the control system and any gas control that
has been under water
Due to high temperatures, the appliance should be located out of
trac and away from furniture and draperies
Children and adults should be alerted to the hazards of high surface
temperature and should stay away to avoid burns or clothing ignition
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
Clothing or other ammable material should not be placed on or near
the appliance
Installation and repair should be done by a qualied service person.
The appliance should be inspected before use and at least annually
by a professional service person. More frequent cleaning might 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
NOTICE
NOTICE
NOTICE
NOTICE NOTICE
NOTICE
Section A: Before You Begin

XG0199 - 170223 5
General
Standard Installation Checklist
This standard installation checklist is to be used by the installer in conjunction with, not instead of, the instructions contained within this
installation manual.
Customer Date Installed:
Install Address: Location of Fireplace:
Installer:
Model (circle one): P38DFN-F, P38DFL-F, PL38DFN-F, PL38DFL-F,
P42DFN-F, P42DFL-F, PL42DFN-F, PL42DFL-F, P52DFN-F, P52DFL-F,
PL52DFN-F, PL52DFL-F
Dealer Phone:
Serial #:
*Only applicable for PL Series
YES NO IF NO, WHY NOT?
Appliance Install: Section 2
Framing complies with install manual.
Standos have been installed.
Proper clearances have been maintained.
Venting: Section 3
Venting conguration complies with vent diagrams.
Venting installed, fastened, and secured in place maintaining proper clearance.
Firestops installed.
Exterior wall/roof ashing installed and sealed in compliance with local building code.
Terminations installed and sealed in compliance with local building code.
Direct vent termination is highest point in vent assembly.
Wiring/Electrical: Section 4
Unswitched power provided to the appliance PPO box.
Low voltage wire connected to dry contact wall switch (non-powered)*
Gas: Section 5
Proper appliance for fuel type.
Was a conversion performed?
Leak check performed & inlet pressure veried.
Finishing: Section 6
Only non-combustible materials installed in non-combustible areas.
Clearances meet installation manual requirements
Mantels and/or projections comply with install manual
Appliance Setup: Section 7 through 9
Media, door, and screen installed according to install manual
Manual given to home owner.
Started appliance and veried no gas leaks exist.
Comments:

XG0199 - 1702236
General
Rating Plate Sample
Figure 1.1 Rating Plate for PL52
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
 

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LBA120x Distinction Series no CSA 27-02-2017
  


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 


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  
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

 




    






 
 
 


 




XG0199 - 170223 7
General
P/PL 38 and 42 Dimensions
Figure 2. Fireplace dimensions (Tolerance ± ⅛").
Section 1: Product Dimensions
A
B
N
C
D
E
F
G
H
Q
I
J
K
POWER
GAS SUPPLY
L
M
OH
I J
P
UNIT DIMENSIONS
A B C D E F G H I J K L M N O P Q
PL38DF
P38DF 37¾" 29½" 35¼" 19⅜" 4⅝" 5½" 33¾" 19½" 5" 8" 26⅜" 35½" 11⅝" 36⅝" 22⅛" 39¼" 20¼"
PL42DF
P42DF 42" 30½" 39½" 20¼" 4¾" 5½" 34⅝" 20⅝" 5" 8" 27⅜" 39¾" 12⅝" 37¾" 23⅛" 43⅝" 21¼"
Top View
Front View Right Side ViewLeft Side View

XG0199 - 1702238
General
Figure 2. Fireplace dimensions (Tolerance ± ⅛").
53 5
8
"
1362
52"
1321
47"
1194
21 3
4
"
553
6"
152
71
4
"
185
5"
126
10
[254]
33 1
4
"
843
36 1
4
"
919
22 3
4
"
578
28 3
4
"
731
P/PL 52 Dimensions

9
Installation
XG0199 - 170223
NOTE: When constructing the
framed opening, please ensure
there is access to install the gas
line when the unit is installed.
Section 2: Framing
Clearances must be in accordance with local installation codes and
the requirements of the gas supplier
Figure 3.b Framing dimensions (Straight wall & Corner Installation).
241/2
52
”
43 ”
37½”
A
B
C
D
Noncombustible
Stud
98
”
1" c
l
52”
69 1/4”
E
F
1''clearance to corners only
G
NOTICE
When this appliance is installed directly on ANY combustible other
than wood ooring (carpet, vinyl, etc.). It must be installed on an
equivalent wood or metal panel. This material must extend the full
width and depth of the appliance.
WARNING
P52, PL52
A 52''
B 37 ½''
C 43 ¾''
D 24 ½''
E98''
F 52''
G 64 ¼''
P42, PL42
A 42''
B 35''
C 42''
D 21 ⅞''
E84 ½''
F 42''
G 59 ¾''
P38, PL38
A 37 ¾''
B 34 ¼''
C 41 ¼''
D 20 ⅛''
E 76 ¼''
F 37 ¾''
G 53 ⅞''

10
Installation
XG0199 - 170223
Figure 3.c Combustible Framing for shelves over the replace, Rear vent. Figure 3.d Combustible Framing for shelves over the replace, Top vent.
Combustible
Header Combustible
Header
Combustible
Shelf Combustible
Shelf
NonCombustible
Stud1/2''AboveTop
NonCombustible
Stud1/2''AboveTop
REAR VENT
N.G ONLY
RHS102
A
AB C
C
D
RHS102
REAR VENT
NG ONLY
PEL
90°Elbow
RHS102
P38, PL38
A 26 ⅜''
B 33 ¾''
C 41 ¼''
D 9''
P38, PL38
A 39''
B 33 ¾''
C 49 ¾''
D 17 ½''
P42, PL42
A 27 ½''
B 34 ½''
C 42''
D 9''
P42, PL42
A 40 ½''
B 34 ½''
C 50 ½''
D 17 ½''
P52, PL52
A 56'' min
B 36 ¼''
C 43''
D 26'' min
P52, PL52
P52 and PL 52 cannot be
rear vented straight out a
wall.
D
RHS102
B

11
Installation
XG0199 - 170223
Clearances: Installing The Standoffs
MODEL Top - Rear vent† Top - Top vent† Rear Sides Floor†† Mantel Vent Pipe
P38DF*
PL38DF* 9" 17 1/2" 0" 0" 0"
See Section 6
Finishing around the
replace
1'' all around
2" on the
horizontal
P42DF*
PL42DF* 9" 17 1/2" 0" 0" 0"
See Section 6
Finishing around the
replace
1'' all around
2" on the
horizontal
P52DF*
PL52DF* 12" 26" 1" 2 1/2"
††† 0"
See Section 6
Finishing around the
replace
1'' all around
2" on the
horizontal
NOTES:
† Clearance from top of replace to a ceiling within the replace
enclosure.
†† Four sided surrounds require a raised installation.
††† 2 1/2" clearance is from the main body of the rebox, NOT the
insulated ange. Clearance to the insulated ange is 1".
Figure 4. Combustible Wall Clearances
P38, PL38, P42, PL42:
When installing a shelf over the top of the replaces, the following
guidelines must be adhered to:
For Rear Vent applications, the minimum clearance is 0" from the rear
of the replace to a wall, or any combustible materials, and 9" clearance
from the top of the replace to the underside of any combustible shelf
materials.
For Top Vent applications, the minimum clearance is 0" from the rear
of the replace to a wall, or any combustible materials, and 17 1/2" to
the underside of any combustible shelf materials.
To avoid elevated mantel temperatures, all P and PL gas replaces
are required to have the supplied standos installed. The replace is
supplied with two standos. Bend and install these standos on top
of the replace ensuring that the height of the stando maintains a
7 1/2" clearance.
P52, PL52:
When installing a shelf over the top of the replaces, the following
guidelines must be adhered to:
For Rear Vent multi-elbow applications, the minimum clearance is 1"
from the elbow o the rear of the replace to a wall, or any combustible
materials, and 12" clearance from the top of the replace to the
underside of any combustible shelf materials.
For Top Vent applications, the minimum clearance is 1" from the rear
of the replace to a wall, or any combustible materials, and 26" to the
underside of any combustible shelf materials.
7½”
Figure 4.b Installing standos
The supplied nailing extension must be placed along the top edge of the
replace and securely fastened into place, as shown in gure4.c. Note:
The nailing ange extension can be substituted with a piece of NON-
Combustible material of the same size and thermal characteristics, ie:
cement board or equivalent.
4"
Installing the Nailing Flange Extension
Figure 4.c Bottom of Nailing Flange Extension
Figure 4.d Bottom of Nailing Flange Extension with tab folded at 90 degree angle
Figure 4.e Insert folded tabs into slots above the front of the replace
Figure 4.f Securing the Nailing Flange Extension.
Before installing the supplied nailing ange extension, fold tabs at
bottom of nailing ange to a 90 degree angle. NOTE: Do not install
nailing ange when installing a Montigo Surround.
Front of Nailing Flange
Front of Fireplace
Do not install nailing ange when installing a Montigo surround, use
equivalent non-combustible.
NOTICE

12
Installation
XG0199 - 170223
Figure 5. Flue cover and collar removal, Top Vented replace.
Figure 5.b Flue cover and collar installation, Rear Vented replace.
Flue Gasket
Flue Cover Plate
8” Outer Flue Collar
5” Inner Flue Collar
Section 3: Venting
Montigo supplies a variety of direct venting and termination options.
The direct vent termination location MUST be selected such that it is the
highest point in the venting assembly. It should also be selected such
that it provides the shortest vent run possible. Should it be impossible
to ensure that the termination is the highest point or to meet the
venting guidelines laid out below please contact your Montigo dealer
to discuss power venting options.
Notes For Planning Venting:
• Ventingcan originate fromthe unit throughthe topor through therear
• Venting can terminate through the roof or through an exterior wall.
• Refer to Appendix A - Termination Locations to ensure the planned
termination location is acceptable.
• Once the termination location has been established, refer to the
appropriate section below for installation details
• All replaces shipped from the factory are top vent.
• Silicone application is NOT required when joining Montigo vent
pipes and components.
Section 3-1: Converting to Rear Vent
Use the following instructions to convert a unit for Rear Vent use:
1. Remove the rear ue cover and gasket (5" and 8") on the ue
outlet, as shown in Figure 5.
2. Next, remove the top ue collar (5" and 8") on the ue outlet, as
shown in Figure 5.
3. Install the (removed) rear ue cover and gasket material, to the
top vent outlet. Fasten the cover with included hardware, as
illustrated Figure 5.b
4. Install the (5" and 8") collars to the rear vent outlet using the
included hardware, as illustrated Figure 5.b
Section 3-1-1: Converting to 5"/ 8" Venting
(For P52, PL52)
P52 AND PL52 UNITSCANNOT BE REAR VENTED STRAIGHTTHROUGH
THE WALL. REAR VENT APPLICATIONS MUST BE MULTI-ELBOW.
(VERTICALVENTRUNSOVER8'FROMTOPOFUNITONLY)
1. Use the following instructions to convert a PL52DF* and P52DF*
from 5"/ 10" to 5"/ 8" venting for top vent use gure 6.e on page 13.
2. Remove the 10" outer ue collar on the ue outlet, from the
desired vent start - TOP or REAR
3. Install the separately ordered 8" reducing collar (RVA108) on the
Top or Rear vent outlet.
NOTE: If power venting, vent run must be reduced to 5"/8" or 4"/7".
contact your Montigo dealer to discuss power venting options.
5”Inner Flue Collar
8”Outer Flue Collar
Flue Gasket
Flue Cover Plate
Flue Cover Plate
Flue Cover Plate
Flue Gasket
Flue Gasket
8'' Outer Flue Collar
8'' Outer Flue Collar
5'' Outer Flue Collar
5'' Outer Flue Collar

13
Installation
XG0199 - 170223
Roof mounted terminations
The following details are some possible congurations for roof mounted
terminations. See below.
This section applies to installations where the direct vent termination
will be roof mounted.
Section 3-2-1: Venting Layout
Selection of components and details of venting lay out should adhere
to the following guidelines:
• The maximum termination point is 32’ above the replace (NOTE:
if the maximum termination height is used, the ame pattern may
be aected).
• The vertical termination must be a minimum 2’ higher than where
the termination exits the roong materials, (asphalt shingles, cedar
shakes, etc). This distance should be measured from the high side of
the roof slope where the ue ashing intersects the roong materials.
(see Figures 6 to 6c).
• Terminationlocation mustbe aminimum 6’froma mechanicalair inlet.
• 1” clearance is maintained on sides and bottom of vent runs and 2”
above horizontal vent runs to any combustible material.
• For a more detailed diagram of allowed termination locations, see
Appendix A.
• A maximum of two osets (each oset is made up of 2-90° bends)
may be made for vertical vent runs.
• Firestops must be installed as required by national & local codes
• Ensure all horizontal runs are supported with a minimum of 3
supports per 10’ of venting.
• Install all roof ashing and storm collars as shown.
Figure 6. Top vent, roof mounted termination with no oset in vent run.
Figure 6.b Top vent, roof mounted with 1 oset (1 oset= two 90° bends).
Figure 6.c Top vent, roof mounted with 2 osets (1 oset= two 90° bends).
Section 3-2: Installing a Roof Mounted Direct Vent
Terminationfor5''/8''(PVTK1SS)
PVTK1 Termination
PVTK1 Termination
PVTK1 Termination
Storm collar
Storm collar
Storm collar
2' min
2' min
2' min
Support ring
Support ring
Support straps OR
Support ring and plates
Support ring and plates
Support plate
Support plate
Firestop
PEXT
PEXT-10
Adaptor
Flue
collar
Firestop
2' Oset
2' Oset
2' Oset
Firestop
Firestop
Obstacle
Obstacle
Firestop
32' max
32' max
32' max
Roof ashing
Roof ashing
Roof ashing

14
Installation
XG0199 - 170223
Support ring
Support plate 32’ max
Termination
12”
Max.
PVTK1
PEXT Sections
Figure 6.d Rear vent, roof mounted venting (1 = 90° bend).
Figure 6.e 5''/8'' piping for P-PL52 units
Min. 8’ vertical rise
2’ Min.
PVTK1 Termination
Storm collar
Roof Flashing
Storm collar
Storm collar
Support plate
32' max
Min. 8' vertical rise
2' Min.
Roof ashing
Roof ashing
PVTK1 Termination
Support ring
PEXT Sections
2' min.
12"
max.
Firestop
Firestop
90° Elbow
Component PartNumber
Reducing Collar RVA108
Rigid straight pipe PXT or PEXT
Termination PVTK1SS
Heat Shield* RHS101
This conguration allows for 5" and 8" piping and termination
FOR USE OF 5"/ 8" PIPING YOU MUST HAVE A MINIMUM VERTICAL
RISE OF 8 FEET FROM THE TOP OF THE UNIT.
5"/ 8" Piping for P52 and PL52 units
* Heat Shield RHS101 required if vent passes through wall or ceiling
PVTK1 Termination

15
Installation
XG0199 - 170223
Figure 7. Installing a PTO4-F termination.
Figure 7.b Installing a PTO termination with the MSR frame.
Figure 7.c Installing a PTO termination with the BSR frame.
Figure 7.d Installing a PTO termination with MOSR frame.
Figure 7.e Installing the VSS Vinyl Shield.
Figure 7.f Installing a PTO termination heat guard.
1
12”
2”
12”
12”
This section applies to installations where the direct vent termination
will be wall mounted. NOTE: If subject to a highly corrosive environment
i.e. Seaside, Montigo recommends using Stainless Steel Termination.
Section3-3:InstallingaWallMountedTermination5''/8''
Installationofterminationwithbuiltinframe
A termination with a built-in frame is installed during framing of a
structure.
1. Frame the termination opening to 11" x 11".
2. Install exterior sheathing to the structure framing.
3. Fasten the termination to the sheathing using a minimum of 4 screws.
MSR Frame
PTO-4 (5"/8")
Termination
PTO-4F (5"/8")
Termination
Installationofaterminationshieldforvinylsiding
The VSS Termination shield is installed when the exterior of a structure
is clad with Vinyl siding. It is placed directly above, and on-center with
the termination.
Installation of termination frame at time of framing
Terminations with a MSR frame allow the installation of the frame prior
to installation of the termination.
1. Frame the termination opening to 12" x 12".
2. Secure the MSR Frame to the exterior sheathing of the structure.
3. Fastenthe termination tothe MSRFrame using aminimum of4 screws.
1. Frame the MOSR opening to 12" x 12".
2. Fasten the MOSR frame to the interior side of the studs, concrete,
or nished wall construction using a minimum of 4 screws.
3. Insert the termination into the MOSR frame as shown here, (from
the inside) and attach to the MOSR by installing a min. quantity of 4
bolts into the threaded nuts on the MOSR Frame.
Installation of termination frame at time of framing in masonry
Terminations with a BSR frame allow the installation of the frame in
masonry prior to the installation of the termination
1. Frame the BSR opening to 12" x 12".
2. Secure the BSR Frame to the exterior sheathing of the structure.
3. Fastenthe termination to theBSR Frame usinga minimum of4 screws.
BSR Frame
MTKOG (5"/8")
Installing heat guards
Installing heat guards overterminations is recommended ininstallations
where the termination is located within 7' feet above grade, or above
a pedestrian walkway, and may be required by code in public areas.
1. Ensure that the two long mounting brackets are facing the bottom
of the termination (See inset). This will provide more heat protection
at the top of the termination, where temperatures are highest.
2. Attach to the faceplate of the termination using four sheet metal
screws.
1
1”
11”
Framing
Exterior
Sheathing
Fastening Hard-
ware, minimum
4-screws
Framing
Exterior
Sheathing
Fastening Hardware,
minimum 4-screws
PTO-4 (5"/8")
Termination
Framing
Exterior
Sheathing
Fastening Hardware,
minimum 4-screws
Exterior Vinyl
siding
PTO-4 (5"/8")
Termination
VSS Vinyl shield
Installation of termination from inside structure
A Termination with a MOSR Frame is installed from the inside of the
structure. These are commonly used in high-rise construction.
MOSR Frame
PTO-4 (5"/8")
Termination
12”
12”
Fastening Hardware,
minimum 4-screws
Framing,
concrete
or other
materials
Exterior
Sheathing, concrete
or other materials

16
Installation
XG0199 - 170223
Figure 7.g Installing a RTO-4F termination.
Installation of termination with built in frame under 8' from the top
of the unit.
A Termination with a built-in frame is installed during framing of a
structure.
1. Frame the termination opening to 17" x 17".
2. Install exterior sheathing to the structure framing.
3. Fasten the termination to the sheathing using a minimum of 4 screws.
RTO-4F (5"/10")
Termination
Framing
Exterior
Sheathing
Fastening Hardware,
minimum 4-screws
”
17
17”
RHS 104
(Not shown)
FOR P52 AND PL52 UNITS ONLY
This section applies to installations where the direct vent termination
will be wall mounted. NOTE: If subject to a highly corrosive environment
i.e. seaside, Montigo recommends using stainless steel termination.
InstallingaWallMountedTermination5''/10''
RTO-4F (5"/10")
Termination
Framing
Exterior
Sheathing
RHS 104
(Not Shown)
Fastening Hardware,
minimum 4-screws

17
Installation
XG0199 - 170223
Figure 8. PL38DF* Propane Top Vent Venting Graph for wall mounted terminations.
Figure 8.b PL38DF* NG Top Vent Venting Graph for wall mounted terminations.
Figure 8.c Top Vented, wall mounted Multi-elbow installation. See Venting Graph for Top vent,
wall mounted terminations, Figure 8 or 8.b
Selection of components and details of venting layout should adhere
to the following guidelines:
• Vent terminations must not be recessed in walls or siding.
• For Heat Shield requirements see Section 3-3 on page 14.
• Once the proposed venting layout has been determined refer to
Figure 8, 8b, 8c to ensure the layout is acceptable.
Notes Wall Mounted Terminations: TOP VENT
• All measurements for vertical or horizontal runs are measured from
center of the vent pipe.
• Venting runs must fall within the limits set by the venting graph,
see Figure 8 or 8b.
ExampleA:(AcceptableInstallation)
If the vertical dimension from the hearth is 120" and the horizontal
run to the wall ange of the vent termination is 144", this would be an
acceptable installation.
ExampleB:(UnacceptableInstallation)
If the vertical dimension from the hearth is 36" and the horizontal run
to the wall ange of the vent termination is 84", this would not be an
acceptable installation.
ExampleC:(UnacceptableInstallation)
If the vertical dimension from the oor of the replace is 60" and the
horizontal run to the wall ange of the vent termination is 144", this
would not be an acceptable installation.
Top Venting Graph P38, PL38:
Measure the vertical height from the replace hearth to the centre of
the termination and the horizontal run from the replace ue collar
to the wall ange of the termination. Plot on the Venting Graph Figure
8 or 8b with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
Wall mounted Terminations:
The following details are some possible congurations for Wall mounted
terminations. See below.
Heat
Shield
Termination
Hearth Exterior
Wall
39" Min. (NG)
44" Max. (NG)
Flex section
63" Min. (LP)
16" Max. (LP)
NATURAL GAS VENT RUN
PROPANE GAS VENT RUN
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
Acceptableventrun
within non-shaded area.
Acceptableventrun
within non-shaded area.
Unacceptableventrun
within shaded area.
Unacceptableventrun
within shaded area.
A
A
B
B
C
C
Section 3-3-1: Venting Layout: Wall Mounted Termination
Heat Shield
Flex section
Hearth
Termination
Exterior
Wall
39" Min. (NG)
63" Min. (Propane)
44" Max. for minimum vertical (NG)
16" Max. for minimum
vertical (Propane)
63''
16''
39''
44''

18
Installation
XG0199 - 170223
Notes Wall Mounted Terminations: REAR VENT
• All dimension lengths for vertical or horizontal runs are measured
from center of the vent pipe.
• Venting runs must fall within the limits set by the venting graphs,
see Figure 9 or 9.b
• Fireplace must be converted to Rear Vent conguration prior to
running vent, see Figure 5 and 5.b (Page 11)
ExampleA:(AcceptableInstallation)
If the vertical dimension from the hearth is 120" and the horizontal
run to the wall ange of the vent termination is 144", this would be an
acceptable installation.
ExampleB:(UnacceptableInstallation)
If the vertical dimension from the hearth is 36" and the horizontal run
to the wall ange of the vent termination is 84", this would not be an
acceptable installation.
ExampleC:(UnacceptableInstallation)
If the vertical dimension from the oor of the replace is 60" and the
horizontal run to the wall ange of the vent termination is 144", this
would not be an acceptable installation.
Rear Venting Graph P38, PL38:
Measure the vertical height from the replace hearth to the centre of
the termination and the horizontal run from the replace ue collar
to the wall ange of the termination. Plot on the Venting Graph Figure
9 or 9.b with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
NATURAL GAS VENT RUN
PROPANE GAS VENT RUN
Figure 9. PL38DF* Rear Vent Venting Graph for NG wall mounted terminations.
Figure 9.b PL38DF* Rear Vent Venting Graph for Propane wall mounted terminations.
Figure 9.c Straight run, Rear Vented, wall mounted termination. Note: Straight through the wall
rear vent available for Natural Gas only.
Figure 9.d Rear Vented, wall mounted Multi-elbow termination installation for NG or Propane.
Installation must comply with the Venting Graph for Rear vent, wall mounted terminations, Figure
15 or 15a.
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
Acceptableventrun
within non-shaded area.
Acceptableventrun
within non-shaded area.
Unacceptableventrun
within shaded area.
Unacceptableventrun
within shaded area.
A
A
B
B
C
C
26 3/8”
PXT Extension
RHS101 Heat
Shield
Termination
Hearth Exterior
Wall
12” MAX.
30” Max.
49” Min NG
12”
Max.
Flex or Rigid
Section
26 3/8”
63” Min LP
RHS101
Heat Shield
PXT Extension
Hearth
Termination
30'' Max.
for minimum
vertical
49'' Min. NG
63'' Min
Propane
26 3/8''
12''
Max.
Flex or Rigid
Section
26 3/8''
12''MAX
NOTE:12''MAXhorizontal
runwithnoverticallift
Exterior
Wall
63''
42''
26⅜''
12''
49''
42''

19
Installation
XG0199 - 170223
Figure 10. PL42DF* Propane Top Vent Venting Graph for wall mounted terminations.
Figure 10.b PL42DF* NG Top Vent Venting Graph for wall mounted terminations.
Figure 10.c Top Vented, wall mounted Multi-elbow installation. See Venting Graph for Top vent,
wall mounted terminations, Figure 10 or 10b.
Figure 10.d Top Vented, wall mounted Multi-elbow installation. The vent run must comply with
Venting Graph for Top vent, wall mounted terminations, Figure 10 or 10.b
ExampleA:(AcceptableInstallation)
If the vertical dimension from the hearth is 120" and the horizontal
run to the wall ange of the vent termination is 144", this would be an
acceptable installation.
ExampleB:(UnacceptableInstallation)
If the vertical dimension from the hearth is 36" and the horizontal run
to the wall ange of the vent termination is 84", this would not be an
acceptable installation.
ExampleC:(UnacceptableInstallation)
If the vertical dimension from the oor of the replace is 60" and the
horizontal run to the wall ange of the vent termination is 144", this
would not be an acceptable installation.
PROPANE VENT RUN
NATURAL GAS VENT RUN
Top Venting Graph P42, PL42:
Measure the vertical height from the replace hearth to the centre of
the termination and the horizontal run from the replace ue collar
to the wall ange of the termination. Plot on the Venting Graph Figure
10 or 10.b with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
Heat
Shield
Termination
Hearth Exterior
Wall
39" Min. (NG)
44" Max. (NG)
Flex section
63" Min. (LP)
16" Max. (LP)
Notes Wall Mounted Terminations: TOP VENT
• All measurements for vertical or horizontal runs are measured from
center of the vent pipe.
• Venting runs must fall within the limits set by the venting graph, see
Figure 10 or 10b.
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
Acceptableventrun
within non-shaded area.
Acceptableventrun
within non-shaded area.
Unacceptableventrun
within non-shaded area.
Unacceptableventrun
within shaded area.
A
A
B
B
C
C
Heat Shield
Flex section
Hearth
Termination
Exterior
Wall
40 1/2" Min. (NG)
53" Min. (Propane)
44" Max. for minimum vertical (NG)
12" Max. for minimum
vertical (Propane)
Flex Section
Hearth
30”min
15’Max.
Heat
Shield
Termination
Exterior
Wall
9’ Min at Max.
Horizontal(NG)
10’ Min at Max.
Horizontal(LP)
15' Max.
for minimum
vertical
30" Min. Heat
Shield
Termination
Flex section
Solid section
Hearth
9’ Min at Max.
Horizontal (NG)
10’ Min at Max.
Horizontal (Propane)
Exterior
Wall
53''
12''
40½''
44''

20
Installation
XG0199 - 170223
Notes Wall Mounted Terminations: REAR VENT
• All dimension lengths for vertical or horizontal runs are measured
from center of the vent pipe.
• Venting runs must fall within the limits set by the venting graphs,
see Figure 11 or 11.b
• Fireplace must be converted to Rear Vent conguration prior to
running vent, see Figure 8 and 8a.
ExampleA:(AcceptableInstallation)
If the vertical dimension from the hearth is 120" and the horizontal
run to the wall ange of the vent termination is 144", this would be an
acceptable installation.
ExampleB:(UnacceptableInstallation)
If the vertical dimension from the hearth is 36" and the horizontal run
to the wall ange of the vent termination is 84", this would not be an
acceptable installation.
ExampleC:(UnacceptableInstallation)
If the vertical dimension from the oor of the replace is 60" and the
horizontal run to the wall ange of the vent termination is 144", this
would not be an acceptable installation.
Rear Venting Graph P42, PL42:
Measure the vertical height from the replace hearth to the centre of
the termination and the horizontal run from the replace ue collar
to the wall ange of the termination. Plot on the Venting Graph Figure
11 or 11.b with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
NATURAL GAS AND PROPANE VENT RUN
Figure 11.b Straight run, Rear Vented, wall mounted termination. The vent run must comply with
the Venting Graph for Rear vent, wall mounted terminations, Figure 11. NOTE: Straight through
the wall rear vent available for Natural Gas only.
Figure 11. PL42DF* Rear Vent Venting Graph for NG and propane wall mounted terminations.
0
HEARTH
12
12
0
60
36
84
120
24
72
108
48
96
132
Vertical Height (In.)
Horizontal Run (In.)
36 60 84 108 132 15624 48 72 96 120 144 168 180
Acceptableventrun
within non-shaded area.
Unacceptableventrun
within shaded area.
A
B
C
26 3/8”
PXT Extension
RHS101 Heat
Shield
Termination
Hearth Exterior
Wall
12” MAX.
Figure 11.c Rear Vented, wall mounted Multi-elbow termination installation. The vent run must
comply with the Venting Graph for Rear vent, wall mounted terminations, Figure 11.b
30” Max.
49” Min NG
12”
Max.
Flex or Rigid
Section
26 3/8”
63” Min LP
30'' Max.
for minimum
vertical
53'' Min.
25 1/5''
Min.
27 1/2''
12''
Max.
Flex or Rigid
Section
RHS101
Heat Shield
PXT Extension
Hearth
Termination
27 3/8''
12''MAX
NOTE:12''MAXhorizontal
runwithnoverticallift
Exterior
Wall
27½''
12''
53''
42''