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www.Laars.com
Document 1427-BW
Common Venting for Brute
H2399501-
pg 1 of 7
Contents
SECTION 1 General Information .............. 1
1.A Introduction ...................................... 1
1.B Kit Includes ...................................... 2
SECTION 2 Vent Installation .................... 2
2.A Vent Materials .................................. 2
2.B Required Components ..................... 3
2.C Sizing a Common Vent System ....... 4
2.D Example System Sizing ................... 5
2.E Installation ........................................ 6
SECTION 3 Maintenance ......................... 6
SECTION 4 Final Installation Checklist .... 7
SECTION 5 Maintenance Checklist ......... 7
200 Lafayette St.
Middleville, MI 49333
Warranty: [phone]
www.BradfordWhite.com
Litho in U.S.A. © Bradford White 1811 Document 1427-BW
WARNING: Carbon Monoxide Hazard
A Non-Return Valve must be installed onto each unit.
Both the exhaust and air intake must be directly vented to the outside of the building. Using room air for a common vent
system is not permitted.
All units in the common vent system must be the same model / size.
All installations must be made in accordance with the requirements of the relevant local utility or other authorities having
jurisdiction, or in the absence of local or state code, the U.S. National Fuel Gas Code ANSI Z223.1/NFPA 54-latest edition,
and in Canada, in accordance with the Natural Gas and Propane Installation Code CSA B149.1 – latest edition.
Carbon monoxide detectors, installed on the oor level where the gas appliance is to be located, are required by law in
some jurisdictions, and are strongly recommended in all installations.
Improper installation of a venting system may lead to personal injury or death.
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BY LAARS HEATING SYSTEMS CO.
DWG
THIS DOCUMENT AND THE INFORMATION CONTAINED HEREIN ARE
PROPRIETARY TO LAARS HEATING SYSTEMS CO. AND SHALL NOT BE
REPRODUCED, TRANSFERRED TO OTHER DOCUMENTS, USED OR
DISCLOSED TO OTHERS FOR MANUFACTURING OR ANY OTHER
PURPOSE EXCEPT AS SPECIFICALLY AUTHORIZED IN WRITING
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SECTION 1 General Information
1.A Introduction
Bradford White o󰀨ers a common venting solution for some models of the Brute product line of boilers and volume
water heaters. This instruction manual provides information necessary for the safe setup and maintenance of such
a system. Read it carefully before beginning a common venting installation.
The following Brute models are approved for common venting: BNTH080, BNTH105, BNTH150, BNTV150,
BNTV199, BNTH210, BNTH285, BNTV285, BNTH399, BNTV399, BNTH500, BNTV500. Up to 8 Brute boilers or
volume water heaters of a given model can be common vented.
Independently tested and accepted by CSA to ANSI Z21.13 / CSA 4.9