preventing scale buildup and spring degradation

Key Benefits for the Contractor Integrated Override Switch: Simplifies troubleshooting by allowing manual control of the load regardless of the controller state

micro-adjustable water level calibration

ensuring proper electrical and physical integration

this "S" model is Maxitrol tested for inlet pressures up to 5 PSI

York S1-310156 Coil 321702-401 preventing scale buildup and springThe York S1 310156 Solenoid Valve Coil is a high performance 208 240V replacement coil engineered for precise fluid flow management in commercial and residential HVAC systems. Designed to operate at 10W power consumption, this MKC 1 series coil provides the electromagnetic force required to actuate solenoid valves reliably under standard high voltage conditions. As an OEM York heating and cooling part, it ensures seamless compatibility with existing