Shop replacement repair parts for Lennox Furnace model G40UH-36A-070X-16

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.

Run Capacitor. Single, Oval, 370 volt, 5 Microfarad.

Furnace blower motor. This single-phase motor has the following specifications:
Horsepower: 1/3
Voltage: 115
Full-Load Amperage: 5.1
Hertz: 60
RPM: 1075
Speeds: 4
Rotation: Counterclockwise
Frame: 48
Enclosure: Open
Shaft Length: 4.25”

Furnace igniter assembly

Limit rollout control

Ignition control board.The ignition control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Switch-interlock

Wheel-blower 10" x 8" 1/2"bore

Main burner

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.

Gasket

Limit control

Orifice-burner

Pressure switch

Limit control, 135 f