Heatilator • Caliber Mesh BV Series • 4040-848 Rev G • 10/08
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B. Tempered 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.”
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 Speci
fi
cations
MODELS:
CB4236MIR, CB4842MIR
LABORATORY:
Underwriters Laboratories, Inc. (UL)
TYPE:
B-Vent Gas Appliance Heater
STANDARD:
ANSI Z21.88-2005/CSA 2.33-2005
This product is listed to ANSI standards for “Vented Gas
Fireplace Heaters” and “Gas Fired Appliances for Use at
High Altitudes”.
This model may be installed in a sleeping room when the
provisions for combustion, ventilation and dilution air are
met per the requirements of
ANSI 223.1/NFPA 54 Na-
tional Fuel Gas Code
. In Canada, installation in a sleep-
ing room requires installation with a thermostat certi
fi
ed
for use with this product. Consult your local authorities
having jurisdiction.
A. Appliance Certi
fi
cation
E. Non-Combustible Materials Speci
fi
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 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
ori
fi
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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1
Listing and Code Approvals
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 Speci
fi
cation
Materials made of or surfaced with wood, compressed
paper, plant
fi
bers, plastics, or other material that can ig-
nite and burn, whether
fl
ame proofed or not, or plastered
or unplastered shall be considered combustible materials.
Caliber Mesh BV Series
CB4236M
CB4842M
IPI
Max/Min Input Rate (NG)
30,000/20,000
33,000/22,000
Ori
fi
ce Size (NG)
.101 in./2.56 mm .104 in./2.64 mm
Max/Min Input Rate (LP)
29,500/19,500
32,500/20,000
Ori
fi
ce Size (LP)
.0635 in./1.61 mm .065 in./1.65 mm