Operating instructions
4242
Radiance
®
Direct Vent Gas Heater
20306759
Table 3. Air Shutter Adjustment
Natural Gas Natural Gas LP
Model High Altitude
RADVT/RADVTCS 1/2" Open 1/2" Open 1/2" Open
Table 4. High Altitude Orice
[Required for altitudes above 2000’ (610 m) up to 4500’ (1,370 m)]
Input (BTU/h)
Model Orice Part # Minimum Maximum
RADVT/RADVTCS #33 / 0.113" 20012554 25,000 36,000
(Natural gas only)
Table 2. Injector Orice Size Matrix
Conversion to Natural Gas
Input (BTU/h)
Model Kit # Orice Part # Minimum Maximum
RADVT 20012899
RADVTCS 20300166
#31 / 0.120" 20006927 25,000 38,000
Conversion to LP
Input (BTU/h)
Model Kit # Orice Part # Minimum Maximum
RADVT 20012729
RADVTCS 20300165
1.75 mm 20012946 25,000 36,000
*LP models do not need re-oriced up to 4500’ (1,370 m) above sea level.