York S1-025-52314-000 Transformer Els PW 17895 Built with high-grade silver-cadmium oxide

Built with high-grade silver-cadmium oxide contacts

If the reversing valve is not shifting and you have confirmed 24VAC at the coil

the tubing is blocked

In ClimateMaster diagnostics

York S1-025-52314-000 Transformer Els PW 17895 Built with high-grade silver-cadmium oxideThe York S1 025 52314 000 Transformer is a heavy duty 150VA control transformer engineered for high voltage industrial and commercial HVACR applications. Specifically designed for stability and reliability, this unit steps down 460V or 575V primary input to a standard 24V secondary output, providing a consistent power source for control circuits, contactors, and thermostats. This model includes an integrated circuit breaker for essential overcurrent