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Heatilator •
HEIR36, HEIR42, HEIR50 • 2285-900 Rev. D • 8/12
C. BTU Specifi cations
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”.
A. Appliance Certifi cation
E. 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.
F. 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.
G. 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 pro-
tected 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.
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.
D. 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
B. Glass Specifi cations
This appliance is equipped with 5 mm ceramic glass. Re-
place glass only with 5 mm ceramic glass. Please contact
your dealer for replacement glass.
MODELS: HEIR36H, HEIR36T
HEIR42H, HEIR42T
HEIR50H, HEIR50T
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Direct Vent Gas Appliance Heater
STANDARD: ANSI Z21.88-2009 • CSA 2.33-2009
Models
(U.S. or Canada)
Maximum
Input
BTU/h
Minimum
Input
BTU/h
Orifi ce
Size
(DMS)
HEIR36 (NG)
US
(0-2000 FT)
45,500 27,000 #30
CANADA
(2000-4500 FT)
41,000 24,500 #31
HEIR36 (LP)
US
(0-2000 FT)
44,000 27,000 #47
CANADA
(2000-4500 FT)
39,500 24,500 #48
HEIR42 (NG)
US
(0-2000 FT)
54,000 30,000 #26
CANADA
(2000-4500 FT)
48,500 27,000 #27
HEIR42 (LP)
US
(0-2000 FT)
51,500 29,500 #45
CANADA
(2000-4500 FT)
46,500 26,500 #46
HEIR50 (NG)
US
(0-2000 FT)
65,000 36,000 #24
CANADA
(2000-4500 FT)
58,500 32,500 #25
HEIR50 (LP)
US
(0-2000 FT)
63,500 32,500 #43
CANADA
(2000-4500 FT)
57,000 29,500 #44