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Innovative Hearth Products
DRC3000-B Series Direct-Vent Gas Fireplaces
ORIFICE SIZES—SEA LEVEL TO HIGH ALTITUDE
These fireplaces are tested and approved for installation at elevations of 0 - 4500 ft (0 - 1372 m) above sea level
using the standard burner orifice sizes (Table 5). For elevations above 4500 ft, contact your gas supplier or qualified
service technician.
Table 5 - Burner Orifice Sizes, Elevation 0 - 4500 ft ( 0 - 1372 m)
* Standard size installed at factory
DERATION
At elevations above 4500 ft, the amount of BTU fuel value delivered must be reduced by either:
•
•
NOTE: Flame breadth, height and width will diminish 4% for every 1,000 ft of altitude.
IN CANADA—CAN/CGA-2.17-M91 (HIGH ALTITUDE):
THE CONVERSION SHALL BE CARRIED OUT BY A MANUFACTURER'S AUTHORIZED REPRESENTATIVE,
IN ACCORDANCE WITH THE REQUIREMENTS OF THE MANUFACTURER, PROVINCIAL OR TERRITORIAL
AUTHORITIES HAVING JURISDICTION AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE CAN/
CGA-B149.1 OR CAN/CGA-B149.2 INSTALLATION CODES.
COMMONWEALTH OF MASSACHUSETTS REQUIREMENTS
These appliances are approved for installation in the US state of Massachusetts if the following additional
requirements are met:
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•
•
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MASSACHUSETTS HORIZONTAL VENT REQUIREMENTS
In the Commonwealth of Massachusetts, horizontal terminations installed less than seven (7) feet above the finished
grade must comply with the following additional requirements:
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•
10
Models
35" Models
40" Models
45" Models
Using gas that has been derated by the gas company.
Changing the burner orifice to a smaller size as regulated by the local authorities having jurisdiction and by the
(USA) National Fuel Gas Code NFPA 54/ANSI Z223.1—latest edition or, in Canada, the CAN/CGA-B149.1 codes—
latest edition.
Install this appliance in accordance with Massachusetts Rules and Regulations 248 C.M.R. Sections 4.00
through 8.00.
Installation and repair must be done by a plumber or gas fitter licensed in the Commonwealth of Massachusetts.
The flexible gas line connector used shall not exceed 36 inches (92 centimeters) in length.
The individual manual shut-off must be a T-handle type valve.
A hard wired carbon monoxide detector with an alarm and battery back-up must be installed on the floor level
where the gas fireplace is installed. The carbon monoxide detector must comply with NFPA 720, be ANSI/UL
2034 listed and be ISA certified.
A metal or plastic identification plate must be permanently mounted to the exterior of the building at a minimum
height of eight (8) feet above grade and be directly in line with the horizontal termination. The sign must
read, in print size no less than one-half (1/2) inch in size, GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL
OBSTRUCTIONS.
Natural Gas - drill size *
#45 (0.082"), Cat. No. 39L66
#43 (0.089"), Cat. No. 99K75
#40 (0.098"), Cat. No. 69L96
General Information
901191-00C, 07/2023
Propane - drill size *
(0.048"), Cat. No. 99K78
#54 (0.055"), Cat. No. 99K79
#53 (0.0595"), Cat. No. 39L10
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