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OWNER’S MANUAL
Note:
Use only original replacement parts.
This will protect your warranty coverage for
parts replaced under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product.
If they can’t supply original replacement
part(s), call DESA International’s Techni-
cal Service Department at 1-800-323-5190.
When calling DESA International, have
ready
• your name
• your address
• model and serial numbers of your heater
• how heater was malfunctioning
• type of gas used (propane/LP or natural
gas)
• purchase date
Usually, we will ask you to return the defec-
tive part to the factory.
PARTS NOT UNDER
WARRANTY
Contact authorized dealers of this product.
If they can’t supply original replacement
part(s), call DESA International’s Parts
Department at 1-800-972-7879 for referral
information.
When calling DESA International, have
ready
• model number of your heater
• the replacement part number
REPLACEMENT
PARTS
TECHNICAL
SERVICE
You may have further questions about in-
stallation, operation, or troubleshooting. If
so, contact DESA International’s Technical
Service Department at 1-800-DESA LOG
(1-800-337-2564).
You can also visit DESA International’s
Technical Services web site at
www.desatech.com.
18" Thermostat- 24" Thermostat- 30" Thermostat-
Controlled Controlled Controlled
Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000
Type Gas Natural Gas Only Natural Gas Only Natural Gas Only
Ignition Piezo Piezo Piezo
Manifold Pressure 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"
Minimum* 5" 5" 5"
Shipping Weight 26 lbs. 30 lbs. 34 lbs.
* For purpose of input adjustment
SPECIFICATIONS
18" Variable 24" Variable 30" Variable
Manually- Manually- Manually-
Controlled Controlled Controlled
Btu (Variable) 16,000/26,000 20,000/33,000 21,500/36,000
Type Gas Natural Gas Only Natural Gas Only Natural Gas Only
Ignition Piezo Piezo Piezo
Manifold Pressure 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"
Minimum* 5" 5" 5"
Shipping Weight 26 lbs. 30 lbs. 34 lbs.
* For 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