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WIRING DIAGRAM
Black
On
Receiver
Off
Red
Remote
Red
Thermopile
White
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
You may feel your gas pressure is too low. If so,
contact your local propane/LP gas supplier.
TECHNICAL SERVICE
You may have further questions about installation,
operation or troubleshooting. If so, contact DESA
Heating Productsʼ 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 Productsʼ techni-
cal service web site at www.desatech.com.
Btu (Variable)
Type Gas
Ignition
Manifold Pressure
Inlet Gas Pressure (in. of water)
Maximum
Minimum*
* For the purpose of input adjustment
28
Note: Use only original replacement parts. This
will protect your warranty coverage for parts
replaced under warranty.
PARTS UNDER WARRANTY
TPTH
TH
Gas Control
Contact authorized dealers of this product. If
TPTH TP
they canʼt supply original replacement part(s),
call DESA Heating Productsʼ Technical Service
Department at 1-866-672-6040.
When calling DESA Heating Products, 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 part to the
factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they
canʼt supply original replacement part(s) call
DESA Heating Products at 1-866-672-6040 for
referral information.
When calling DESA Heating Products, have
ready
• model number of your heater
• the replacement part number
SPECIFICATIONS
VGL18PRA
VGL24PRA
VGL30PRA
21,000/30,000
Propane/LP
Electronic
8.0" W.C.
14"
11"
www.desatech.com
REPLACEMENT PARTS
VGL18NRA
VGL24NRA
VGL30NRA
21,000/30,000
Natural Gas
Electronic
3.5" W.C.
10.5"
5"
112882-01D
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