Williams P323419 Pilot Assembly this Type 166 potential relay

this Type 166 potential relay accurately monitors back-EMF to precisely manage start capacitor dropout

organized footprint

Professional-grade construction ensures this furnace limit switch replacement maintains calibrated accuracy throughout its service life across residential and light commercial applications

Engineered for reliability in residential and light commercial units

Williams P323419 Pilot Assembly this Type 166 potential relayThe Williams P323419 Pilot Assembly is a critical OEM replacement component engineered specifically for Liquid Propane (LP) heating systems. As a veteran grade LP Pilot Assembly, this unit is designed to interface seamlessly with the Williams Forsaire Series, including Direct Vent models (4007, 5507, and 6007) and Top Vent furnaces like the 3508231. This assembly ensures precise gas flow control and stable pilot flame maintenance, which is essential