York S1-024-21678-700 Relay The LED is wired in

The LED is wired in parallel with the coil

Efficient Bulk Packaging: Each order contains a 5-pack of gaskets

An A54 V-belt typically features a 1/2" top width and a 5/16" thickness

designed to bridge standard motor-to-housing gaps in Trane air handlers

Resists environmental corrosion

York S1-024-21678-700 Relay The LED is wired inThe 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