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Heatilator • Novus NDV Series • 4055-187 Rev. V • 1/12 7
B. Tempered Glass Specifi cations
Hearth & Home Technologies appliances manufactured
with tempered glass may be installed in hazardous loca-
tions such as bathtub enclosures as defi ned by the Con-
sumer Product Safety Commission (CPSC). The tempered
glass has been tested and certifi ed to the requirements
of ANSI Z97.1 and CPSC 16 CFR 1202 (Safety Glazing
Certifi cation Council SGCC# 1595 and 1597. Architectural
Testing, Inc. Reports 02-31919.01 and 02-31917.01).
This statement is in compliance with CPSC 16 CFR Sec-
tion 1201.5 “Certifi cation and labeling requirements” which
refers to 15 U.S. Code (USC) 2063 stating “…Such cer-
tifi cate shall accompany the product or shall otherwise be
furnished to any distributor or retailer to whom the product
is delivered.”
Some local building codes require the use of tempered
glass with permanent marking in such locations. Glass
meeting this requirement is available from the factory.
Please contact your dealer or distributor to order.
C. BTU Specifi cations
MODELS: NDV3630, NDV3933, NDV4236 and
NDV4842 Series
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Vented Gas Fireplace Heaters
STANDARD: ANSI Z21.88b-2008/CSA 2.33b-2008
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, Stan-
dard Test Method for Behavior of Materials in a Vertical
Tube Furnace at 750 ºC and UL763 shall be considered
non-combustible materials.
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemental
room heat or as a decorative appliance. It should not be fac-
tored 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 burner orifi ce 4% for each 1000 feet
above 2000 feet.
• In CANADA: Reduce burner orifi ce 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.
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Listing and Code Approvals
Novus NDV NDV3630 NDV3933
Standing Pilot or IPI
Max/Min Input Rate (NG) 20,000/14,000 22,000/15,000
Orifi ce Size (NG) 0.083 0.089/#43
Max/Min Input Rate (LP) 20,000/15,000 22,000/15,000
Orifi ce Size (LP) 0.053 0.055/#54
Novus NDV NDV4236 NDV4842
Standing Pilot or IPI
Max/Min Input Rate (NG) 25,000/17,000 30,000/20,500
Orifi ce Size (NG) 0.093/#42 0.104/#37
Max/Min Input Rate (LP) 25,000/17,000 30,000/20,500
Orifi ce Size (LP) 0.058 0.063/#52
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 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.
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 un-
plastered shall be considered combustible materials.
NOTICE: This installation must conform with local codes
or, in the absence of local codes, with the National Fuel
Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and
Propane Installation Code, CSA B149.1.