Shop replacement repair parts for Lennox Furnace model G23Q4-100-2

Capacitor single run 7.5 MFD 370 Volt oval

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, 120 Volt Primary 24 Volt Secondary 40 VA

Run capacitor, 40 MFD, 370 volts, round

1/2HP 115Volts 60Hz 8 amp 1075 RPM's 5 Speed Open Enclosure 48Y Frame Single Phase CCW 3" Shaft. Any unused wires will need to be taped off or put on the "park" terminals on the control board. These terminals are there specifically for unused wires.

Blower motor, 3/4 HP, 115 Volts, 60 Hz, 10 amps, 1075 RPM's, 5 speed open enclosure, 48Y, Frame Single Phase CCW, 2.75" shaft

Limit control

Harness-wiring

Harness-wiring

Housing-blower

Pressure switch

Furnace draft inducer motor. 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.

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.

Burner-pilot

Harness-wiring