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VENTING SYSTEM INSPECTION
Annually (before heating season) inspect furnace venting
system, vent cap, heat exchanger and burners for corroĆ
sion, deterioration, or deposits of debris. Remove any obĆ
structions.
Contact your Lennox dealer for a periodic unit inspection
by a qualified service technician.
FLAME ROLLOUT SAFETY SWITCHES
Your Lennox furnace is equipped with two flame roll-out
safety switches which shut off the gas supply to the furĆ
nace in case of heat exchanger blockage. If the furnace
fails to operate due to the functioning of these safety
switches, DO NOT attempt to place the furnace into opĆ
eration. Contact a qualified service technician.
SERVICE REMINDER
Call your Lennox service technician if unit is inoperative.
Before calling, always check the following to be sure serĆ
vice is required.
1 - Check that electrical disconnect switches are
ON.
2 - Check room thermostat for proper setting.
3 - Replace any blown fuses or reset circuit breakers.
4 - Gas valve should be
ON
.
5 - Air filter should not be plugged limiting air flow.
6 - Is gas turned on at meter?
7 - Is manual main shut-off valve open?
To keep your Lennox gas heating system in peak operatĆ
ing condition year after year, contact your independent
Lennox dealer about a planned service program.
