OEM Specification: Guaranteed electrical matching for York S1-024-19138-001 ensures proper inductive load handling and prevents premature contact failure

protecting the heat pump reversing valve and ensuring consistent airflow across the outdoor coil without unnecessary energy consumption

Code Compliance: Certified to ANSI/NSF 61 and IAPMO listed

DPST-NO (2 Form A) power relay engineered to handle the high inrush currents typical of HVACR compressor loads up to 3

or weekly cycles

Tekmar Controls 153 Control R-407C OEM Specification: Guaranteed electrical matchingThe Tekmar Controls 153 Control is a versatile, microprocessor based mixing setpoint control designed for precise floating action output. Engineered to drive actuating motors for valves or dampers, this unit maintains a constant supply water or air temperature across a broad range from 40 to 239F. For hydronic heating professionals, the 153 is a standard for implementing boiler return protection when paired with an optional return sensor, effectively