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SPECIFICATIONS
18" Thermostat-
Controlled
Btu (Variable)
16,000/26,000
Type Gas
Natural Gas Only
Ignition
Piezo
Manifold Pressure
3.4" W.C.
Inlet Gas
Pressure (in. of water)
Maximum
10.5"
Minimum*
5"
Shipping Weight
26 lbs.
* For purpose of input adjustment
18" Variable
Manually-
Controlled
Btu (Variable)
16,000/26,000
Type Gas
Natural Gas Only
Ignition
Piezo
Manifold Pressure
3.4" W.C.
Inlet Gas
Pressure (in. of water)
Maximum
10.5"
Minimum*
5"
Shipping Weight
26 lbs.
* For purpose of input adjustment
SERVICE HINTS
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.
104414
24" Thermostat-
30" Thermostat-
Controlled
Controlled
20,000/33,000
21,500/36,000
Natural Gas Only
Natural Gas Only
Piezo
Piezo
3.4" W.C.
3.4" W.C.
10.5"
10.5"
5"
5"
30 lbs.
34 lbs.
24" Variable
30" Variable
Manually-
Manually-
Controlled
Controlled
20,000/33,000
21,500/36,000
Natural Gas Only
Natural Gas Only
Piezo
Piezo
3.4" W.C.
3.4" W.C.
10.5"
10.5"
5"
5"
30 lbs.
34 lbs.
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
www.desatech.com.
23
OWNER'S MANUAL
REPLACEMENT
PARTS
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
site
at
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