1Approvals and
Codes
Appliance Certification
The
Certification
MODEL:
LABORATORY: Underwriters Laboratories
TYPE: Vented Gas Fireplace Heaters
STANDARD:
ANSI
High Altitude Installations
U.L. Listed gas appliances are tested and approved with- out requiring changes for elevations from 0 to 2,000 feet in the U. S. A. and in Canada.
When installing this appliance at an elevation above 2,000 feet, it may be necessary to decrease the input rating by changing the existing burner orifice to a smaller size. Input rate should be reduced by 4% for each 1000 feet above a 2000 foot elevation in the U.S.A. or 10% for elevations between 2000 and 4500 feet in Canada. If the heating value of the gas has been reduced, these rules do not apply. To identify the proper orifice size, check with the local gas utility.
Installation Codes
The appliance installation must conform to local codes. Before installing the appliance, consult the local building code agency to ensure that you are in compliance with all applicable codes, including permits and inspections.
In the absence of local codes, the fireplace installation must conform to the National Fuel Gas Code ANSI Z223.1 (in the United States) or the
These models may be installed in a bedroom or
If installing this appliance at an elevation above 4,500 feet (in Canada), check with local authorities.
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