LH33WZ517 flame sensor for Carrier Bryant PaynePart Number:
Replacement flame sensor with a 105 degree bend (15 degrees off of 90). Measurement from mounting flange to the bend is 2-3/16". Measurement from the bend to the tip is 1-3/4". Mounting hole is at approximately the 2 o'clock position.
Sends a signal to the control board that a flame is present. With no signal, the gas valve will shut off. When the board indicates a weak signal from the flame sensor, sometimes simply cleaning the flame sensor with fine steel wool (not sand paper) will revive it.
Replaces LH680012, LH680014, LH33WZ511, LH33WZ515 & LH33WZ517. Typically used in Carrier Bryant Payne Day & Night units.