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OWNER’S MANUAL
TECHNICAL
SERVICE
You may have further questions about in-
stallation, operation, or troubleshooting.
If so, contact DESA International’s Techni-
cal 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
RN30D
CGN20(L)
Btu (Variable)
15,000/30,000
10,000/20,000
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
26 x 27.75 x 9.63
26 x 20.5 x 9.63
Weight (pounds)
Heater
30
22
Shipping
35
27
ACCESSORIES
MANUAL SHUTOFF
VALVE - GA5010
For all models. Manual shutoff valve with 1/
8" NPT tap.
Purchase these heater accessories from your
local dealer. If they can not supply these
accessories, either contact your nearest Parts
Central (see page 15) or call
DESA International’s Parts Department at
1-800-972-7879 for referral information.
You can also write to the address listed on
the back page of this manual.
FLOOR MOUNTING STAND
20,000 Btu/Hr Models
CGN20L - GA4500L - Ivory
CGN20 - GA4500 - Earthtone
For locating heater on the floor, away from
a wall. Complete installation and operating
instructions included.
FAN KITS - GA3100A AND
GA3200TA
For all models. Provides better heat distri-
bution. Makes heater more efficient. Com-
plete installation and operating instructions
included.
Manually controlled - GA3100A. Includes
ON/OFF switch.
Thermostatically controlled - GA3200TA.
Includes three settings: ON/OFF/AUTO.