1 requirements for atmospheric vacuum breakers

It features high-capacity SPDT enclosed relays rated for 10 amps non-inductive at 120/240 VAC

minimizing downtime during system maintenance

Integrating the SH1432 plunger into your maintenance schedule prevents the common "stacking" effect found in older thermostatic installations

Precision Calibration: Pre-set at 0

York S1-331-03009-000 Control 30067439-890 1 requirements for atmospheric vacuumUpgrade and maintain system integrity with the York S1 331 03009 000 Control, a specialized 2 Stage Furnace Control board designed for high performance residential heating applications. This genuine York OEM part serves as the central logic unit for two stage gas furnaces, precisely managing ignition sequencing, inducer motor speeds, and blower timing to ensure balanced airflow and efficient heat distribution. As a veteran grade HVAC circuit board