27
102988
TECHNICAL
SERVICE
You may have further questions about installation, operation, or troubleshooting.
If so, contact DESA International’s Technical Service Department at
1-800-DESA LOG (1-800-337-2564).
SPECIFICATIONS
18" Model
24" Model
Btu (Variable)
16,000/27,000
16,000/31,500
Type Gas
Natural Gas Only
Natural Gas Only
Ignition
Piezo
Piezo
Manifold Pressure
3.5" W.C.
3.5" W.C.
Inlet Gas
Pressure (in. of water)
Maximum
10.5"
10.5"
Minimum*
5"
5"
Shipping Weight
27 lbs.
29 lbs.
* For the purpose of input adjustment
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.
SERVICE
HINTS