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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.
ACCESSORIES
Purchase these heater accessories from your local dealer. If they can not supply
these accessories, contact your nearest Parts Central (see page 32). You can also
write to the address listed on the back page of this manual for information.
BLOWER KIT - PART
NUMBER GA6010
For all models. Provides better
heat distribution. Makes heater
more efficient. Complete
installation and operating
instructions provided with
MANUAL SHUTOFF
VALVE - GA5010
For all models. Manual
shutoff valve with 1/8"
NPT tap.
35,000 BTU/Hr 50,000 BTU/Hr 65,000 BTU/Hr
Model Model Model
BTU 35,000 50,000 65,000
Type Gas Natural Only Natural Only Natural Only
Ignition Piezo Piezo Piezo
Pressure Regulator Setting 3.5" W.C. 3.5" W.C. 3.5" W.C.
Inlet Gas Pressure
Maximum 7" W.C. 7" W.C. 7" W.C.
Minimum 5" W.C. 5" W.C. 5" W.C.
Dimensions, Inches
Heater (H x W x D) 25 x 27
1
/4 x 16 28 x 32
1
/2 x 16 31 x 37
3
/4 x 16
Shipping Weight (pounds) 78 98 120
Flue Vent Size 4" dia. 4" dia. 5" dia.
Orifice Size 3.8 mm, ø .1496 29 drill, ø .136 34 drill, ø .111
Note:
These heaters are certified for elevations of 0-4500 feet above sea level. For
elevations above 2000 feet, de-rate heater 4% for each 1000 feet above sea level.
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 yellow 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
SPECIFICATIONS