Shop replacement repair parts for Goodman Furnace model GMSS920403AN

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.

Gas furnace igniter

Limit, primary, 120, lt blue

Limit Switch

Limit Thermostat

Furnace control board. 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.