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80MGF PARTS IDENTIFICATION
UPFLOW POSITION
DOWNFLOW POSITION
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1 - COMBUSTION AIR
BLOWER
2 - PRESSURE SWITCH
3 - GAS VALVE
4 - ROLLOUT SWITCH
(One on each side)
5 - BURNERS
6 - CONTROL BOARD
7 - BLOWER
WARNING
Product contains fiberglass wool.
Disturbing the insulation in this product during
installation, maintenance, or repair will expose
you to fiberglass wool. Breathing this may
cause lung cancer. (Fiberglass wool is known to
the State of California to cause cancer.)
Fiberglass wool may also cause respiratory,
skin, and eye irritation.
To reduce exposure to this substance or for furĆ
ther information, consult material safety data
sheets available from address shown below, or
contact your supervisor.
Lennox Industries Inc.
P.O. Box 799900
Dallas, TX 75379-9900
WARNING
If overheating occurs or if gas supply fails to
shut off, shut off the manual gas valve to the apĆ
pliance before shutting off electrical supply.
WARNING
Do not use this furnace if any part has been
underwater. Immediately call a qualified service
technician to inspect the furnace and to replace
any part of the control system and any gas conĆ
trol which has been under water.
CAUTION
Before attempting to perform any service or
maintenance, turn the electrical power to unit
OFF at disconnect switch.
