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Heatilator • Novus NBV • 4055-188 Rev C • 04/08
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1
Listing and Code Approvals
A. Appliance Certi
fi
cation
This product is listed to ANSI standards for “Vented Gas
Fireplaces” and “Gas Fired Appliances for Use at High Al-
titudes”.
This model (natural gas and propane) can be installed in a
bedroom (in the United States) which has a total volume of
uncon
fi
ned space appropriate to the particular installation.
Refer to the
National Fuel Gas Code ANSI Z223.1/NFPA54
(current edition), The Uniform Mechanical Code - (cur-
rent edition),
and local building of
fi
cials for the options al-
lowed in obtaining an effective bedroom volume of uncon-
fi
ned space.
This model (natural gas and propane) can be installed in a
bedroom (in Canada) if a thermostat is installed with the ap-
pliance. Consult local code authorities.
Do NOT use this appliance if any part has been under
water. Immediately call a quali
fi
ed service technician
to inspect the appliance and to replace any part of the
control system and any gas control which has been
under water.
WARNING
MODELS:
NBV3630, NBV3630I, NBV3933, NBV3933I,
NBV4236, NBV4236I, NBV4842, NBV4842I
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE:
B-Vent Gas Appliance
STANDARD:
ANSI Z21.88a-2007/CSA 2.33a-2007
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 factored as primary heat in residential heating
calculations.
Note:
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.
B. Glass Speci
fi
cations
Hearth & Home Technologies appliances manufactured with
tempered glass may be installed in hazardous locations such
as bathtub enclosures as de
fi
ned by the Consumer Product
Safety Commission (CPSC). The tempered glass has been
tested and certi
fi
ed to the requirements of
ANSI Z97.1
and
CPSC 16 CFR 1202
(Safety Glazing Certi
fi
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 Section
1201.5
“Certi
fi
cation and labeling requirements” which refers
to
15
U.S. Code
(USC) 2063
stating “…Such certi
fi
cate shall
accompany the product or shall otherwise be furnished to
any distributor or retailer to whom the product is delivered.”
C. BTU Speci
fi
cations
D. High Altitude Installations
U.L. Listed gas appliances are tested and approved without
requiring changes for elevations from 0 to 2000 feet in the
U.S.A. and Canada.
When installing this appliance at an elevation above 2000 ft,
it may be necessary to decrease the input rating by chang-
ing the existing burner ori
fi
ce to a smaller size. Input rate
should be reduced by 4% for each 1000 ft above a 2000 ft
elevation in the U.S.A., or 10% for elevations between 2000
and 4500 ft in Canada. If the heating value of the gas has
been reduced, these rules do not apply. To identify the prop-
er ori
fi
ce size, check with the local gas utility.
If installing this appliance at an elevation above 4500 ft (in
Canada), check with local authorities.
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.
Novus NBV
NBV3630
NBV3933
Standing Pilot or IPI
Max/Min Input Rate (NG) 20,000/14,000 22,000/15,000
Ori
fi
ce Size (NG)
0.083
0.089 (#43)
Max/Min Input Rate (LP) 20,000/15,000 22,000/15,000
Ori
fi
ce Size (LP)
0.053
0.055 (#54)
Novus NBV
NBV4236
NBV4842
Standing Pilot or IPI
Max/Min Input Rate (NG) 25,000/17,000 30,000/20,500
Ori
fi
ce Size (NG)
0.093 (#42)
0.104 (#37)
Max/Min Input Rate (LP) 25,000/17,000 30,000/20,500
Ori
fi
ce Size (LP)
0.058
0.063 (#52)
E. Non-Combustible Materials
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° C,
shall be considered non-combus-
tible materials.
F. Combustible Materials
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 whether plastered or
unplastered shall be considered combustible materials.
¨
