Shop replacement repair parts for Lennox Furnace model G40DF-48C-090-9

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

Furnace draft inducer motor.115Volts 60Hz 1.2 amp 3000 RPM's Closed Enclosure. The draft inducer motor draws air into the burner and exhausts it out the flue. If the draft inducer motor is defective, the furnace may not heat.

Pressure switch

Limit control, 135 f

Heat exchanger

Limit control

18 x 25 x 1, Washable air filter.