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.
Integrated single-stage 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.
Switch; switch-flame rollout, 82 degrees c, 180 deg
Draft inducer motor, one stage, ball bearing
Blower; inducer draft, 1-stage