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Quadra-Fire • QVI-35FB-S • 2178-900 Rev. B • 12/086
B. BTU Specifi cations
MODELS: QVI-35B-S
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Vented Gas Appliance Heater
STANDARD: ANSI Z21.88b-2008/CSA 2.33b-2008
This product is listed to ANSI standards for “Vented Gas
Appliance Heaters” and applicable sections of “Gas Burn-
ing Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.
Quadra-Fire gas inserts are designed for installations into
solid fuel masonry or factory built fi replaces that have been
installed in accordance with the National, Provincial, State
and local building codes. Fireplaces are to be constructed
of non-combustible materials and, in the absence of local
or regional codes, meet criteria of NFPA 211. No additional
outside air source is required.
Models
(U.S. or Canada)
Maximum
Input
BTU/h
Minimum
Input
BTU/h
Orifi ce
Size
(DMS)
QVI-35FB-S (NG)
US
(0-2000 FT)
40,000 27,000 .125
CANADA
(2000-4500 FT)
36,000 24,300 31
QVI-35FB-S (LP)
US
(0-2000 FT)
34,000 28,900 50
CANADA
(2000-4500 FT)
31,000 19,000 51
A. Appliance Certifi cation
D. Non-Combustible Materials Specifi cation
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in a
Vertical Tube Furnace at 750 ºC and UL763 shall be
considered non-combustible materials.
E. Combustible Materials Specifi cation
Materials made of or surfaced with wood, compressed pa-
per, plant fi bers, plastics, or other material that can ignite
and burn, whether fl ame proofed or not, or plastered or
unplastered shall be considered combustible materials.
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.
C. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce input rate 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
Check with your local gas utility to determine proper
orifi ce size.
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-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.
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Listing and Code Approvals
F. Electrical Codes
NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code
ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit-interrupter protection, in
compliance with the applicable electrical codes, when it is
installed in locations such as in bathrooms or near sinks.