York S1-024-39479-000 Pressure Switch 318973-401 Engineered for R-22 systems and

Engineered for R-22 systems and compatible with POE oil for potential retrofits

Common failure points include solder joint fatigue

Prioritize this genuine factory part to ensure long-term mechanical integrity and avoid the common pitfalls of improper blade alignment found in aftermarket alternatives

Is this unit compatible with LED lighting loads

With a flow capacity of 18

York S1-024-39479-000 Pressure Switch 318973-401 Engineered for R-22 systems andThe York S1 024 39479 000 Pressure Switch is an OEM critical safety component specifically calibrated to a 0. 33 WC set point. Designed for precise monitoring of the inducer motor's venting performance, this differential air pressure switch ensures the combustion process only initiates when proper static pressure is maintained. As a direct replacement for S1 024 25975 000, this unit resolves common sequence of operation failures where the circuit