York S1-024-19082-031 Sequencer Relay Els PW 17895 Universal Compatibility: Supports both single

Universal Compatibility: Supports both single and two-speed fan motors

This gage is specifically used for visual status monitoring in pneumatic HVAC control loops

minimizing downtime on service calls

Built to withstand the rigors of commercial mechanical rooms

specifically HH12ZA189 and HH12ZA189A

York S1-024-19082-031 Sequencer Relay Els PW 17895 Universal Compatibility: Supports both singleFor field technicians and contractors maintaining York air handlers and electric furnaces, the York S1 024 19082 031 Sequencer Relay is a vital component for staged heating control. This 24V heat sequencer, frequently cross referenced as 208V42, manages the timing of resistive heating elements to prevent high amperage inrush from tripping circuit breakers. Built with a robust bimetal heater coil, this relay provides a consistent timing sequence of 1