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TECHNICAL
SERVICE
You may have further questions about installation, operation, or troubleshooting.
If so, contact DESA International’s Technical Service Department at 1-800-323-
5190.
SPECIFICATIONS
When gas pressure is too low
• pilot will not stay lit
• burner will have delayed ignition
• heater will not produce specified heat
When gas quality is bad
• pilot will not stay lit
• burner will produce flames and soot
• heater will backfire when lit
You may feel your gas pressure is too low or gas quality is bad. If so, contact your
local natural gas supplier.
SERVICE
HINTS
RN30B CGN18B
BTU (Variable) 15,000/30,000 9,000/18,000
Type Gas Natural Only Natural Only
Ignition Piezo Piezo
Pressure Regulator Setting 3" W.C. 3" W.C.
Inlet Gas Pressure (inches of water)
Maximum 10.5" 10.5"
Minimum 4" 4"
Dimensions, Inches (H x W x D)
Heater 23.5 x 25.9 x 8.0 23.5 x 18.5 x 8.0
Carton 25.8 x 28.7 x 10.1 25.8 x 21.3 x 10.1
Weight (pounds)
Heater 30 22
Shipping 35 27