Hearth & Home Technologies • CFL-18/24/30-C, CFL-24-IPI, ST-CFL-24-B • 526-910 Rev. L • 11/14
6
C. High Altitude Installation
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.
B. BTU Speci
fi
cations
Models
(U.S. or Canada)
Input BTU/h
Ori
fi
ce
Size (DMS)
CFL-18NG-C
CFL-24NG-C
CFL-30NG-C
CFL-24NG-IPI
ST-CFL-24NG-B
(NG)
US
(0-2000 FT)
60,000
7-1.55 mm
CANADA
(2000-4500 FT)
54,000
#25 DMS
CFL-18LP-C
CFL-24LP-C
CFL-30LP-C
CFL-24LP-IPI
ST-CFL-24LP-C
(LP)
US
(0-2000 FT)
60,000
2.30 mm
CANADA
(2000-4500 FT)
54,000
#43 DMS
