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The MARS 12166 is manufactured to a +/- 6% tolerance
the compressor lead to 'Herm'
Durable Construction: Heavy-duty insulation protects against environmental degradation in residential and commercial applications
the element is compromised and requires replacement
For technicians troubleshooting solenoid valve coil burnout or performing routine system maintenance
York S1-024-25329-704 Pressure Switch Els PW 17895 The MARS 12166 is manufacturedThe York S1 024 25329 704 Pressure Switch is a critical OEM replacement part designed for precision monitoring of inducer motor performance in York, Coleman, and Luxaire furnaces. This furnace draft exhaust switch is calibrated to a 1. 9" WC setpoint with a SPNO (Single Pole Normally Open) configuration. Engineered for a close on fall sequence, this component ensures the vacuum pressure remains within safety parameters before allowing the ignition