Shop replacement repair parts for Lennox Furnace model 78UGF2-50-2

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

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

Transformer

Pilot and spark igniter assembly

Flame rollout limit switch - manual reset

Gas valve 1/2" I.P. Natural Gas, SlowOpen 24V

Harness-wiring

Switch

Harness-wiring

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.

Housing-blower

Motor 1/4 hp, 115 volts, 1ph

Limit control