Shop replacement repair parts for Lennox Furnace model G40UH-36A-070-14

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 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.

Limit control

Pressure switch

Limit control, 135 f

Pressure switch tubing kit