TECHNICAL
SERVICE
SPECIFICATIONS
SERVICE
HINTS
ACCESSORIES
You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at
| 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
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.
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.
31
100749
