TECHNICAL
SERVICE
SPECIFICATIONS
SERVICE
HINTS
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 |
| Model | Model |
BTU | 35,000 | 50,000 |
Type Gas | Natural Only | Natural Only |
Ignition | Piezo | Piezo |
Pressure Regulator Setting | 3.5" W.C. | 3.5" W.C. |
Inlet Gas Pressure |
|
|
Maximum | 7" W.C. | 7" W.C. |
Minimum | 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 |
Shipping Weight (pounds) | 78 | 98 |
Flue Vent Size | 4" dia. | 4" dia. |
Orifice Size | 34 drill, ø .111 | 29 drill, ø .136 |
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.
33
100351
