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UNVENTED NATURAL GAS LOG HEATER
103424
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-DESA LOG
(1-800-337-2564).
You can also visit DESA International’s
Technical Service web site at
www.desatech.com.
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
When Gas Quality Is Bad
• pilot will not stay lit
• burners 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.
Model CGG3324NT CGG2618N CGG3324N CGG3630N
Btu (Variable) 20,000/33,000 16,000/26,000 20,000/33,000 21,500/36,000
Type Gas Natural Gas Only Natural Gas Only Natural Gas Only Natural Gas Only
Ignition Piezo Piezo Piezo Piezo
Pressure 3.4" W.C. 3.4" W.C. 3.4" W.C. 3.4" W.C.
Inlet Gas Pressure (in. of water)
Maximum 10.5" 10.5" 10.5" 10.5"
Minimum* 5" 5" 5" 5"
* For purpose of input adjustment
Shipping Weight 38 lbs. 36 lbs. 38 lbs. 40 lbs.
SPECIFICATIONS
ACCESSORIES
Purchase these heater accessories from your
local dealer. If they can not supply these
accessories, call DESA International’s Parts
Department at 1-800-972-7879 for infor-
mation. You can also write to the address
listed on the back page of this manual.
MANUAL SHUTOFF VALVE
GA5010
For all models. Manual shutoff valve with 1/8"
NPT tap. Fits 1/2" NPT pipe.
FIREPLACE HOOD
Black - GA6050
Brass - GA6052
Antique Brass - GA6053
For all models. Helps deflect heat away
from mantel or wall above fireplace.
LAVA ROCK - GA6060
(Not Shown)
For all models. Order when additional rock
is desired. (3 lb. bag)
DAMPER CLAMP - GA6080
(Not Shown)
For variably controlled models. Permanently
opens chimney flue damper for vented op-
eration.