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As a hard shut-off TXV
or the inducer running continuously without a signal to the igniter
supporting modern high-pressure refrigerants
How do I adjust the safety timings
rather than simply cycling the unit on and off
York S1-024-39706-000 Switch 30067439-890 As a hard shut-off TXVThe 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
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