this switch is rated for both heating and cooling environments where a manual reset 160°F thermal safeguard is required

Key Benefits for Technicians Enhanced Sensitivity: Specifically designed to detect low and moderate flow rates that larger switches overlook

Circuit Integrity: SPST switch configuration facilitates standard two-wire 24V control board logic

the damper is open

ensuring reliable operation in high-pressure R-410A and sub-critical CO2 systems

Williams P323664 Safety Switch 322838-754 this switch is rated forThe Williams P323664 Safety Switch is a critical OEM replacement part designed for high limit temperature monitoring in Williams enclosed front vented room heaters. This vent safety switch is engineered to break the electrical circuit and shut down the burner if flue temperatures reach the 250F threshold, preventing hazardous downdrafts or obstruction related overheating. Featuring a manual reset mechanism, this SPST furnace limit control ensures the