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104340
OWNER’S MANUAL
TECHNICAL
SERVICE
You may have further questions about in-
stallation, operation, or troubleshooting.
If so, contact DESA International’s Techni-
cal 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.
SPECIFICATIONS
DUAL BURNER YELLOW FLAME AND PREMIUM AGED SPLIT
OAK MODELS
18" Model 24" Models 30" Models
Btu (Variable) 16,000/30,000 20,000/39,000 20,000/39,0000
Type Gas Natural Gas Only Natural Gas Only Natural Gas
Only
Ignition Piezo Piezo Piezo
Manifold Pressure 3.5" W.C. 3.5" W.C. 3.5" W.C.
Inlet Gas
Pressure (in. of water)
Maximum 10.5" 10.5" 10.5"
Minimum* 5" 5" 5"
Shipping Weight 36 lbs. 38 lbs. 40 lbs.
* For the purpose of input adjustment
SINGLE BURNER MOUNTAIN OAK MODELS
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 38 lbs. 40 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
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),
contact your nearest Parts Central (see page
26) or call DESA International’s Technical
Service Department at 1-800-DESA LOG
(1-800-337-2564) for referral information.
When calling DESA International, have
ready
• your name
• your address
• model number of your heater
• how heater was malfunctioning
• type of gas used (propane 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), contact your nearest Parts Central
(see page 26) or 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