the operating thermostat or contactor should be inspected for failure

Comprehensive Rebuild: Includes critical wear parts like the plunger

though shipping weight typically exceeds 210 lbs

Broad Compatibility: Serves as a drop-in replacement for the Johnson Controls P70JA-18 and competitive models

ensuring the valve can achieve its high-capacity BTU rating without being throttled by the discharge piping

York S1-SFA71UG Actuator 30067439-890 the operating thermostat or contactorThe York S1 SFA71UG Actuator is a field proven, 2 position control solution designed for precision airflow and fluid regulation in commercial and residential HVACR environments. This Normally Closed (N C) electronic actuator operates on a standard 24VAC Class 2 supply signal, ensuring seamless integration with existing low voltage control circuits. Engineered to interface directly with zone valves featuring a 1 10 inch stroke, the S1 SFA71UG provides