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108795-01V22
DO NOT
CONNECT
RED
REPLACE FACTORY WIRING WITH 105°C
EQUIVA LENT OR HIGHER RATING
THERMOSTAT WIRE 18 GA. RED/WHITE
EXTERNAL WIRING USE ONLY CLASS 2
N.C.SW
(VENT SAFETY
SHUTOFF SWITCH)
WHITE
TH/TP
TP
TH
WALL SWITCH
(NOT SUPPLIED)
MANUAL
DAMPER
SWITCH
N.O. SW
TO 120V
THERMOPILE
PIL
O
T
BURNER
IGNITOR
LINE
PILOT GAS
O
F
F
P
I
L
O
T
O
N
PILOT SAFETY WIRE
MAIN GAS
INCOMING
SUPPLY
WIRING DIAGRAM
REPLACEMENT PARTS
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, LLC at 1-866-672-6040 for
referral information. A list of authorized dealers
can be found by visiting www.desatech.com.
When calling DESA Heating, LLC, have
ready:
• model and serial numbers of your heater
• the replacement part number
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 Heating, LLC at 1-866-672-6040.
When calling DESA Heating, LLC, have
ready:
• your name
• your address
• model and serial numbers of your heater
• how heater was malfunctioning
• purchase date
SERVICE HINTS
WhenGasPressureIsTooLow
• pilot will not stay lit
• burner will have delayed ignition
• replace will not produce specied heat
• propane/LP gas supply may be low if using
propane/LP gas
If using propane/LP gas, 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 installa-
tion, operation, or troubleshooting. If so, con-
tact DESA Heating, LLC at 1-866-672-6040.
When calling please have your model and
serial numbers of your heater ready.
You can also visit DESA Heating, LLC’s web
site at www.desatech.com.