www.desatech.com
111604-01E
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SPECIFICATIONS
LMFP33NR
LMFP33PR
Btu (Variable)
23,000/33,000
23,000/33,000
Type Gas
Natural Gas Only
Propane/LP Only
Ignition
Piezo
Piezo
Pressure Manifold
3.5" W.C.
7.9" W.C.
Inlet Gas Pressure (in. of water)
Maximum
10.5"
14"
Minimum*
5.5"
11"
Shipping Weight
122 lbs.
122 lbs.
* For input adjustment
WIRING DIAGRAM
Black
Red
White
Red
TECHNICAL SERVICE
You may have further questions about installation,
operation, or troubleshooting. If so, contact DESA
Heating Products’ Technical Service Department
at 1-866-672-6040. When calling, please have your
model and serial numbers of your heater ready.
You can also visit DESA Heating Products’ tech-
nical services web site at
www.desatech.com.
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burner will have delayed ignition
• fireplace will not produce specified heat
• for propane/LP unit, propane/LP gas supply
may be low
You may feel your gas pressure is too low. If so,
contact your local gas supplier.
REPLACEMENT PARTS
Note:
Use only original replacement parts. This
will protect your warranty coverage for parts re-
placed under warranty.
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If they
can’t supply original replacement part(s), call
DESA Heating Products’ Technical Service De-
partment at 1-866-672-6040. When calling DESA
Heating Products, have ready
• your name and address
• model and serial numbers of your fireplace
• how fireplace was malfunctioning
• type of gas used (propane/LP or natural gas)
• purchase date
Usually, we will ask you to return the 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 Heating Products at 1-866-672-6040 for
referral information. When calling DESA Heat-
ing Products, have ready
• model number of your fireplace
