ASCO 300-056 Rebuild Kit 30067439-890 This mechanical refrigeration pressure switch

This mechanical refrigeration pressure switch operates within a range of 7 to 150 PSI and features a 36-inch capillary with a 1/4-inch sweat connection for flexible mounting

The York S1-024-19138-001 Relay Control is a critical 24V motor relay designed for precise switching in York HVAC units

offering the same form factor with additional Bluetooth configuration capabilities and improved sensor stability

The Trane WHL1999 is commonly found in 4-ton and 5-ton commercial units

Durable Construction: Heavy-duty resistance wire with welded terminals prevents typical failure points at connection blocks

ASCO 300-056 Rebuild Kit 30067439-890 This mechanical refrigeration pressure switchThe ASCO 300 056 Rebuild Kit is a critical maintenance solution designed for the ASCO Series 300 Automatic Transfer Switch. Engineering precision ensures that this ATS repair kit restores the optimal switching performance required for emergency and standby power systems. By utilizing genuine ASCO replacement parts, industrial maintenance professionals can effectively address internal wear in the solenoid operator and contact assemblies, preventing