ASCO 310-421-HW Rebuild Kit Freon providing the precise switching capacity

providing the precise switching capacity required for 240-volt single-phase compressor circuits

Contractors typically identify a failing unit by a loud grinding noise from the bearings

As a veteran-grade air flow proving switch

Enhanced Logic: Provides a stable 24V relay lock-in function to prevent rapid cycling of the compressor

ASCO 310-421-HW Rebuild Kit Freon providing the precise switching capacityThe ASCO 310 421 HW Rebuild Kit is a precision engineered solution specifically designed for hot water rated valves. As a critical maintenance component for ASCO solenoid valves, this genuine OEM repair kit includes essential internal parts such as high temperature diaphragms, O rings, and springs needed to restore peak performance and prevent costly leaks. Using an ASCO valve rebuild kit ensures that your HVAC or industrial boiler system maintains