Williams P322399 Pilot Assembly 320819-301 Rugged Construction: Built with a

Rugged Construction: Built with a brass body and RedHat II NEMA 4X protection for water-resistant performance

Technicians often source this part when diagnosing a stuck AC contactor or a failing condenser contactor that prevents the outdoor unit from engaging

replacing both 8402-020 and 8402-020BX with no mounting modifications required

Field technicians rely on the Series 94 for its proportional control capabilities and the security of a manual reset

and engine cooling systems

Williams P322399 Pilot Assembly 320819-301 Rugged Construction: Built with aThe Williams P322399 Pilot Assembly is a high performance LP gas pilot burner engineered specifically for propane fired Williams Gravity Direct Vent Wall Furnaces. Designed to replace the legacy part P179600, this genuine OEM component is critical for maintaining consistent burner ignition and system safety. It features a 90 degree left design and comes integrated with a thermopile generator, pilot tube, and orifice, ensuring seamless voltage output