Williams P321017 Switch 321894-709 Avoid areas with high turbulence

Avoid areas with high turbulence to prevent mechanical stress on the probe and ensure a representative average temperature

Can I use a higher voltage capacitor as a replacement

It utilizes a single pole single throw (SPST) control signal and includes a manual crank for override during commissioning or emergency outages

making it a versatile choice for a wide range of evaporation and condensing applications

High-Accuracy Monitoring: Delivers precise data to York control boards to prevent compressor short-cycling and liquid floodback

Williams P321017 Switch 321894-709 Avoid areas with high turbulenceAs a field tested HVAC professional, you know that a forced air system is only as reliable as its manual controls. The Williams P321017 Switch is the precise OEM replacement pull chain switch designed for Williams Blower Accessory 2302, commonly found on Direct Vent Furnaces. This high duty furnace fan switch provides the tactile reliability required for consistent blower activation in residential and light commercial wall heaters. When dealing with