it prevents short-cycling while maintaining tight product temperatures

suitable for R-410A and other modern high-pressure HFC refrigerants

resisting corrosion and maintaining consistent spring tension

even in demanding commercial and residential boiler environments

Key Benefits Precise Pressure Calibration: Engineered to match specific OEM thresholds

York S1-026-32266-001 Pressure Switch Els PW 17895 it prevents short-cycling while maintainingThe York S1 026 32266 001 Pressure Switch is an OEM replacement part engineered for precise monitoring of the furnace drain line. Calibrated to trigger at . 65 inch water column (WC), this blocked drain pressure switch is a critical safety component designed to detect restricted condensate flow in natural gas furnaces. By sensing backpressure caused by a clogged trap or blocked PVC drain line, it provides essential protection against heat exchanger