Heatilator • Caliber CD Series • 4040-263 Rev N • 11/08 7
B. Tempered Glass Specifi cations
Hearth & Home Technologies appliances manufactured
with tempered glass may be installed in hazardous
locations such as bathtub enclosures as defi ned by the
Consumer 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
Section 1201.5 “Certifi cation and labeling requirements”
which refers to 15 U.S. Code (USC) 2063 stating “…Such
certifi 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:CD4236R, CD4236LR, CD4236IR, CD4236ILR
CD4842R, CD4842LR, CD4842IR, CD4842ILR
LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Vented Gas Fireplaces
STANDARD: ANSI Z21.88-2005•CSA2.33-2005•UL307B
This product is listed to ANSI standards for “Vented Gas
Fireplace Heaters” and applicable sections of “Gas Burn-
ing Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Fireplaces for Use
at High Altitudes”.
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
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.
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
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
A. Appliance Certifi cation
Caliber CD Series CD4236 CD4842
Standing Pilot or IPI
Max/Min Input Rate (NG) 30,000/20,000 33,000/22,000
Orifi ce Size (NG) .104 in./2.64 mm .109 in./2.77 mm
Max/Min Input Rate (LP) 29,500/20,000 32,500/20,500
Orifi ce Size (LP) .065 in./1.65 mm .067 in./1.70 mm
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.