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113192-01D
26
WIRING DIAGRAM
Note: For proper operation of optional accessories,
the wires from the thermopile to the control must
be connected exactly as shown.
Thermopile
SPECIFICATIONS
Models VSGF36NT and VSGF36NR
Btu (Variable) 33,000/21,500
Type Gas Natural Gas
Ignition Piezo
Pressure Manifold 3.5" W.C.
Inlet Gas Pressure (in. of water)
Maximum 10.5"
Minimum* 5"
Shipping Weight
120 lbs.
* For input adjustment
Models VSGF36PT and VSGF36PR
Btu (Variable) 33,000/21,500
Type Gas Propane/LP
Ignition Piezo
Pressure Manifold 7.9" W.C.
Inlet Gas Pressure (in. of water)
Maximum 13"
Minimum* 11"
Shipping Weight
120 lbs.
* For input adjustment
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 canʼt supply original replacement part(s),
call DESAʼs Technical Service Department at
1-866-672-6040.
When calling DESA, have ready
• your name
• your address
• model and serial numbers of your firebox
• how firebox 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 canʼt supply original replacement part(s),
call DESA at 1-866-672-6040 for referral infor-
mation.
When calling DESA, have ready
• model number of your firebox
• the replacement part number
Note: The firebox identification label (including
model number, serial number, clearances, etc.) is
located on the right front edge of the firebox.
TECHNICAL SERVICE
You may have further questions about installation,
operation or troubleshooting. If so, contact DESAʼs
Technical Service Department at 1-866-672-6040.
When calling, please have your model and serial
numbers of your firebox ready.
You can also visit DESAʼs technical services web
site at www.desatech.com.
SERVICE HINTS
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low for propane/
LP unit
You may feel your gas pressure is too low. If so,
contact your local gas supplier.