www.desatech.com
107886-01J
21
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Gas leak.
See Warning
statement on page 21
2. Control valve defective
1. Foreign matter between con-
trol valve and burner
2. Gas leak.
See Warning
statement on page 21
1. Not enough combustion/ven-
tilation air
OBSERVED PROBLEM
Gas odor even when control knob
is in OFF position
Gas odor during combustion
Moisture/condensation noticed
on windows
REMEDY
1. Locate and correct all leaks
(see
Checking Gas Connec-
tions,
page 12)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all leaks
(see
Checking Gas Connec-
tions,
page 12)
1. Refer to
Air for Combustion
and Ventilation requirements
(page 5)
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 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
ACCESSORIES
Purchase these heater accessories from your local
dealer. If they can not supply these accessories,
call DESA Heating Products at 1-866-672-6040
for referral information. You can also write to the
address listed on the back page of this manual.
EQUIPMENT SHUTOFF VALVE
GA5010
For all models.
Equipment shutoff valve with
1/8" NPT tap.
FAN KITS - GA3250T
For all models.
Provides better heat distribution.
Makes heater more efficient. Complete installation
and operating instructions included.
Thermostatically-controlled, blower turns itself on
and off as required.
ELECTRONIC IGNITOR KIT - GA435
Not Shown
For all piezo ignitor models.
Provides easier
lighting of the pilot.
