Williams P323663 Safety Switch 322027-701 the C-163-HH is designed for

the C-163-HH is designed for a wide range of refrigerants including HFC

Constructed from corrosion-resistant alloys

extending the service life of the condenser fan motor bearings and improving overall system efficiency during peak cooling loads

micro-machined glass-on-silicon (Gl-Si) capacitance sensor

Williams P323663 Safety Switch 322027-701 the C-163-HH is designed forThe Williams P323663 Safety Switch is a critical OEM vent limit protection component designed to maintain the operational safety of your gas fired heating equipment. Engineered as a safety limit switch for Williams wall furnaces and vented room heaters, this part features a high precision sensor that triggers at a fixed 200F temperature. When the exhaust gases in the vent reach this thresholdoften due to a blocked flue or inadequate draftthe switch