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Diagnostic Support: Features onboard LED indicators to assist in rapid troubleshooting and system status monitoring during service calls
supporting modern high-pressure refrigerants
rather than simply cycling the unit on and off
Veteran contractors rely on the 100163258 bypass kit to restore factory-spec hydraulic resistance
York S1-024-39706-000 Switch 30067439-890 Diagnostic Support: Features onboard LEDThe York S1 024 39706 000 Switch is a critical safety component engineered for precise furnace air pressure switch monitoring in residential and light commercial equipment. This OEM York replacement part features a Single Pole Normally Open (SPNO) contact configuration and is factory calibrated to actuate at 0. 10" WC on fall. Designed for high efficiency natural gas furnaces, including specific models in the TM9E series, this 0. 10" WC pressure
