Montigo BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent Installation guide

BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent
Montigo
Brand
Montigo
Model
BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent
Category
Fireplaces
Type
Installation guide

Montigo BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent allows for the installation of select Montigo fireplaces on existing 5" Certified B-Vent systems. It enables a direct vent fireplace to be connected to an existing B-Vent, eliminating the need for a separate vent pipe. The kit includes a Duravent 5" B-Vent to DV conversion Lower and Upper adapter kit, Duravent - Montigo collar adapter, 4/7 Male vent connector, and MVA Conversion label. The BVK35 Kit is compatible with NG models DRL36, DRL48, DRL60, DRSQ34, and DRSQ38.

Montigo BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent allows for the installation of select Montigo fireplaces on existing 5" Certified B-Vent systems. It enables a direct vent fireplace to be connected to an existing B-Vent, eliminating the need for a separate vent pipe. The kit includes a Duravent 5" B-Vent to DV conversion Lower and Upper adapter kit, Duravent - Montigo collar adapter, 4/7 Male vent connector, and MVA Conversion label. The BVK35 Kit is compatible with NG models DRL36, DRL48, DRL60, DRSQ34, and DRSQ38.

XG0682 - 030123
Installation & Maintenance Manual
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.
BVK35 Kit
DIRECT VENT ADAPTER TO 5” B-VENT
Applicable for:
Installation and service must be performed by a qualied installer,
service agency or the gas tter. Check local codes and read all
instructions prior to installation.
Some materials used in the manufacturing process of this product can
expose you to Benzene which is known in the State of California to
cause cancer and birth defects or other reproductive harm. For more
information go to www.P65warnings.ca.gov
WARNING
Installer: Leave this manual with the appliance. Please refer to the
Montigo website for the most current version of the replace manual
Consumer: Retain this manual for future reference. Please refer to the
Montigo website for the most current version of the replace manual
NOTICE
DRL3613NI / DRL3613NI-2
DRL4813NI / DRL4813NI-2
DRL6013NI / DRL6013NI-2
DRSQ34NI / DRSQ34NI-2
DRSQ38NI / DRSQ38NI-2
Listed direct vent appliances can be installed on existing 5" Certied
B-Vent system by using BVK35 kit and inserting a 3" aluminum ex liner
within the B-vent and utilizing the space between the ex and B-Vent
for combustion air.
The BVK35 kit and listed replace models could also be connected to
existing 6" Certied B-Vent system by using Certied 5" to 6" B-Vent
increaser (not provided with the BVK35 kit).
The BVK35 kit is approved for use with following NG models only: DRL36,
DRL48, DRL60, DRSQ34, DRSQ38. LP CONVERSION IS NOT ALLOWED
WHEN RETROFITTING INTO EXISTING B-VENT.
The dimensions of the appliance and the clearances to combustibles
are listed in the installation manuals packaged with the appliance.
Venting must terminate through the roof, no side venting allowable.
4"x7" coaxial vent rigid or ex pipe can be used to extend from top of
replace to Lower B-Vent adapter attached to existing B-Vent. If 4"x
7" ex pipe is used then existing B-Vent must be properly strapped to
support its weight.
INSTALLERS RESPONSIBILITIES BEFORE AND AFTER CONVERSION
TO DIRECT VENT COMPLETED:
• Inspect existing B-Vent conguration allows installation of 3" ex
liner without damage to the existing vent system.
• Inspect existing B-Vent is damage free and adequately supported.
• Conrm existing B-Vent has minimum l" clearance to combustible
materials through all vent length.
• Conrm existing venting dual wall pipe, not single wall pipe.
• Direct vent replace is installed as prescribed in the installation
manual packaged with the replace
2
Installation
XG0682 - 030123
Overview
Max/Min
Vent runs
(Allapplicableunitsother
than DRL6013)
min venting
height 9'
max venting
height 34'
Max/Min
Vent runs
(DRL6013)
min venting
height 11'
max venting
height 34'
Aside from the venting and restrictor settings, the BVK35 has no eect
on any other aspect of appliance installation.
The listed direct vent models may only be installed onto B-vent systems
using approved adapters packaged with this kit and following these
instructions. Completely enclose the 3-inch aluminum ex liners within
the existing B-vent.
DO NOT USE SINGLE WALL B VENT.
The BVK35 Kit uses the below vent run requirements which replaces
the ones referenced in the replace instruction manuals
MUST REMOVE
Existing 5” B-vent
termination
KEEP
Existing 5” B-vent and
supports
An inspection camera is
recommended to help
verify the integrity of the
vent and feasibility of the
installation.
Existing B-vent
may be extended
to adapter location
where required
using ex or rigid 4/7
direct vent
Cut B-vent before
removing replace
to prevent
damaging vent
and supports
MUST REMOVE
Existing B-vent replace
1. Ensure the existing vent is well supported and no screws will
penetrate the aluminum liner.
2. The existing B-vent cap should be removed and discarded, using a
weighted line, determine the total length of the vent and whether
there are osets. It is important to do this before starting any
destructive work. In order to ensure that installation is feasible,
it may be preferable to do this before removing the existing
appliance. Once the liner installation has been veried with the
minimum/maximum vent run table, the existing appliance can be
removed.
3. Ensure that the lower portion of the existing B-vent is not
damaged as you remove the existing appliance.
Preparation
Parts included
• Duravent 5" B-Vent to
DV conversion Lower
and Upper adapter kit
BVA35
• Duravent - Montigo
collar adapter
46DVA-AD-M1
• 4/7 Male vent
connector
• MVA Conversion label
Parts NOT included
• Certied two ply 3" ex
liner
• Sealants and foil tape,
screws
• Roof termination,
Duravent 46DVA-VCH
(recommended) or
equivalent
• Certied 4/7" ex
section (optional)
PREPPREP REMOVALREMOVAL
Rearventingnotpermittedwiththeuseofthiskit,onlyusewith
topventedapplications.
NOTICE
3
Installation
XG0682 - 030123
46DVA-AD-M1
BVA35-LOWER
BVA35-UPPER
3" FLEX PIPE INNER
5" B-VENT
46DVA-VCH
Scenario #1
1:32
DWG. NO.
SHEET 1 OF 2
WEIGHT:
BVA35 Adapter kits assembly
Finish
MATERIAL
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
ANGULAR
.5
ALL BENDS ARE ASSUMED
TO BE 90
UNLESS NOTED
OTHERWISE.
Revision / Date
Drawn by
DATE
NAME
2/10/2023
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
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Description
BVA35 Adapter Kit
Revision
4/7 RIGID PIPE
46DVA-AD-M1
BVA35-LOWER
3" FLEX PIPE INNER
5" B-VENT
BVA35-UPPER
46DVA-VCH
Scenario #2
1:32
DWG. NO.
SHEET 2 OF 2
WEIGHT:
BVA35 Adapter kits assembly-v2
Finish
MATERIAL
Revision / Date
Drawn by
DATE
NAME
2/10/2023
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
Y:\CADD\COMMON PARTS\Collar\BVA35 Adapter Kits\BVA35 Adapter kits assembly-v2
Friday, February 24, 2023 12:13:42 PM
SCALE
JL
Description
BVA35 Adapter Kit with Rigid Pipe
Revision
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
ANGULAR
.5
ALL BENDS ARE ASSUMED
TO BE 90
UNLESS NOTED
OTHERWISE.
4/7 RIGID PIPE
46DVA-AD-M1
BVA35-LOWER
3" FLEX PIPE INNER
5" B-VENT
BVA35-UPPER
46DVA-VCH
Scenario #2
1:32
DWG. NO.
SHEET 2 OF 2
WEIGHT:
BVA35 Adapter kits assembly-v2
Finish
MATERIAL
Revision / Date
Drawn by
DATE
NAME
2/10/2023
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
Y:\CADD\COMMON PARTS\Collar\BVA35 Adapter Kits\BVA35 Adapter kits assembly-v2
Friday, February 24, 2023 12:13:42 PM
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JL
Description
BVA35 Adapter Kit with Rigid Pipe
Revision
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
ANGULAR
.5
ALL BENDS ARE ASSUMED
TO BE 90
UNLESS NOTED
OTHERWISE.
4/7 FLEX PIPE
MVA - 4/7 VENT CONNECTOR
46DVA-AD-M1
BVA35-LOWER
3" FLEX PIPE INNER
5" B-VENT
BVA35-UPPER
46DVA-VCH
Scenario #3
1:48
DWG. NO.
SHEET 1 OF 2
WEIGHT:
BVA35 Adapter kits assembly-v3
Finish
MATERIAL
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
ANGULAR
.5
ALL BENDS ARE ASSUMED
TO BE 90
UNLESS NOTED
OTHERWISE.
Revision / Date
Drawn by
DATE
NAME
2/10/2023
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
Y:\CADD\COMMON PARTS\Collar\BVA35 Adapter Kits\BVA35 Adapter kits assembly-v3
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Description
BVA35 Adapter Kit with Flex Pipe
Revision
BVA35-LOWER
BVA35-LOWER BVA35-LOWER
CONNECT BVA35-LOWER TO 3" FLEX AND B-VENT
46DVA-VCH
BVA35-UPPER
5" B-VENT
3" FLEX PIPE
INNER
46DVA-AD-M1
ADD DRSQCOL47 HERE IF
INSTALLING ON A DRSQ38 ADD DRSQCOL47 HERE IF
INSTALLING ON A DRSQ38 ADD DRSQCOL47 HERE IF
INSTALLING ON A DRSQ38
46DVA-AD-M1
46DVA-AD-M1
4/7 RIDGID PIPE
4/7 FLEX PIPE
MVA 4/7 VENT
CONNECTOR
BASIC CONNECTION
Fireplace ue aligns with existing B-Vent and
there is enough existing B-Vent length to
slide over replace.
Mostly short, vertical (no osets) B-Vent runs
where existing B-Vent has some slack to
slightly lift it and slide replace under it.
EXTENDED CONNECTION
Similar to scenario connection A but existing
B-vent needs to be extended to reach new
replace. Montigo MEXT (EXT18 can be used
for short extensions) shall be used to extend
to B-Vent
EXTENDED FLEX CONNECTION
Fireplace ue does not align with existing
B-Vent and/or existing B-Vent does not
have slack to lift it and slide replace
under it. Mostly long B-Vent runs with 45°
osets. Recommended ex: Montigo MFL,
Duravent 46DVA-**FO (collarless), Flexmaster
4DVKIT47** or equivalent certied true size
4/7 dual ply.
Fasten the 3”
aluminum liner to
the collar on the
lower adapter using
sheet metal screws
Seal inner joints with
Mill-Pack and outer
joints with aluminum
foil tape
TERMINATIONTERMINATION
OPTION AOPTION A OPTION BOPTION B OPTION COPTION C
4
Installation
XG0682 - 030123
4. Go to the roof and slide continuous 3” 2 ply certied ex pipe
down the center of certied B-Vent pipe. Note: no 3” ex liner
joints are allowed except where its secured to lower and upper
BVA35 adapters.
5. Go back down to replace and make sure ex liner is protruding
from the bottom of B-Vent pipe. Apply thin continuous bead of
Mill-Pack sealant on lower adapter ue collar and fasten the 3”
aluminum liner to the ue collar using sheet metal screws, make
sure screws punctured adapters ue collar and tightened ex liner
to it. Mount Montigo to Duravent adapter 46DVA-AD-M1 to lower
B-Vent adapter, twist to lock. Mount 46DVA-AD-M1 adapter over
replace collar or rigid pipe extension, seal inner joints with Mill-
Pack and outer joints with aluminum foil tape. If ex coaxial pipes
are used as an extension, use MVA male adapter (provided with
the kit) to connect ex pipe to 46DVA-AD-M1 adapter. Use sheet
metal screws to secure MVA to ex pipe, seal inner joints with Mill-
Pack and outer joints with aluminum foil tape.
Installation Flue restrictors
Finishing
Flue restrictors (if equipped) are to be adjusted in eld depending on
ame quality and vent length. Units that do not come standard with a
restrictor can use the optional FRK3 restrictor kit.
Do not close in and nish chase before the correct ame pattern and
combustion has been established. All other nishing instructions can
be found in the manual for the replace.
FRK3 restrictor use in DRL units:
1. Grab desired width restrictor plate
2. Bend restrictor plate as shown
3. Slide over replace ue opening and secure with self taping
screws
6. Continue with installation of replace, following instructions
packaged with the replace. Make sure all clearances to
combustible materials are met per replace installation manual.
7. Go back to the roof and install the upper adapter. Gently pull the
3” aluminum liner and cut o any excess. Apply thin continuous
bead of Mill-Pack sealant on upper adapter ue collar and fasten
the 3” aluminum liner to the ue collar using sheet metal screws,
make sure screws punctured adapters ue collar and tightened
ex liner to it.
8. Slide upper adapter over B-Vent, seal the outer seams with high
temperature silicone. Push Duravent 46DVA-VCH (or equivalent
direct vent vertical termination cap) termination cap over upper
B-Vent adapter and twist to lock, seal outer joint with high
temperature silicone. Apply conversion label (supplied with kit)
to the other side of replace rating plate plaque over the existing
NG/LP conversion label.
Apply B-Vent
conversion
label here
46DVA-AD-M1
BVA35-LOWER
BVA35-UPPER
3" FLEX PIPE INNER
5" B-VENT
46DVA-VCH
Scenario #1
1:32
DWG. NO.
SHEET 1 OF 2
WEIGHT:
BVA35 Adapter kits assembly
Finish
MATERIAL
DIMENSIONS ARE IN INCHES
TOLERANCES:
FRACTIONAL
1/32"
TWO PLACE DECIMAL
.015"
THREE PLACE DECIMAL
.005"
ANGULAR
.5
ALL BENDS ARE ASSUMED
TO BE 90
UNLESS NOTED
OTHERWISE.
Revision / Date
Drawn by
DATE
NAME
2/10/2023
THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF CANADIAN HEATING PRODUCTS. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF CANADIAN HEATING PRODUCTS IS PROHIBITED.
PROPRIETARY AND CONFIDENTIAL
Y:\CADD\COMMON PARTS\Collar\BVA35 Adapter Kits\BVA35 Adapter kits assembly
Friday, February 24, 2023 12:13:43 PM
SCALE
JL
Description
BVA35 Adapter Kit
Revision
BVA35-LOWER
3" FLEX PIPE INNER
46DVA-AD-M1
  • Page 1 1
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Montigo BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent Installation guide

BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent
Montigo
Brand
Montigo
Model
BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent
Category
Fireplaces
Type
Installation guide

Montigo BVK35 Kit Direct Vent Adapter to 5 Inch B-Vent allows for the installation of select Montigo fireplaces on existing 5" Certified B-Vent systems. It enables a direct vent fireplace to be connected to an existing B-Vent, eliminating the need for a separate vent pipe. The kit includes a Duravent 5" B-Vent to DV conversion Lower and Upper adapter kit, Duravent - Montigo collar adapter, 4/7 Male vent connector, and MVA Conversion label. The BVK35 Kit is compatible with NG models DRL36, DRL48, DRL60, DRSQ34, and DRSQ38.

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