A. Firebox Certication
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemen-
tal room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
NOTICE: This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1/NFPA 54.
This product is listed to ANSI standards for “Ventless Gas
Firebox Enclosures for Gas-FIred Unvented Gas Log
Type Room Heaters".
MODELS: BUF32A, BUF36A, BUF42A
BUF32-T, BUF36-T, BUF42-T
BUF32-H, BUF36-H, BUF42-H
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Ventless Firebox Enclosures for Gas-Fired
Unvented Gas Log Type Room Heaters
STANDARD: CSA/ANSI Z21.91:20
B. BTU Specications
Installation and service of this appliance should
be performed by qualied personnel. Hearth
& Home Technologies recommends HHT
Factory Trained or NFI certied professionals.
WARNING: This product and the
fuels used to operate this product (liquid
propane or natural gas), and the products
of combustion of such fuels, can expose
you to chemicals including benzene, which
is known to the State of California to cause
cancer and reproductive harm. For more
information go to: www.P65Warnings.
ca.gov.
This product is for use ONLY with a listed decorative
"Gas-Fired Unvented Decorative Room Heaters".
2
Product Specic Information
Model(s) Altitude Maximum
Allowable
BTU/hr
BUF32 A/T/H (0-2000 FT) 30,000
BUF36 A/T/H (0-2000 FT) 40,000
BUF42 A/T/H (0-2000 FT) 40,000
Note: Smoke, carbon monoxide or combination alarms
Alarm manufacturers recommend that alarms be kept at
least 15 ft. to 20 ft. laterally away from fuel-burning sources.
Installing the alarm closer than 15 ft. will not harm the
alarm, but may increase the frequency of nuisance alarms.
Mounting alarms on the wall versus the ceiling will further
reduce nuisance alarms.
6
Monessen • BUF32/36/42 Owner's Manual • 4139-900 • Rev A • 01/21
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