Pay in 4 interest-free payments of $13.05 Learn more
Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
leak-proof installation
Bypassing a safety thermal cut-off is never recommended by technicians
Leakage Prevention: Ensures original factory Class IV leakage ratings are restored during valve rebuilding
Reliable Signaling: The 1 N/O (Normally Open) contact configuration provides a clean circuit closure for system feedback and secondary load control
York S1-024-21678-700 Relay leak-proof installationThe York S1 024 21678 700 is an OEM 24V SPDT Relay designed for heavy duty switching in residential and commercial HVAC control systems. This component serves as the direct 024 21678 000 replacement, ensuring seamless integration into existing control boards without requiring circuit modifications. Engineered with a 24VAC 50 60Hz coil, this Single Pole Double Throw relay provides the necessary electrical isolation between low voltage thermostat
US$ 21.95
US$ 157.93
US$ 36.00
US$ 55.22
US$ 28.00