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

preventing scale buildup and spring degradation

Eliminates Water Hammer: The integrated pilot-operated slow-closing mechanism prevents system damage caused by sudden pressure spikes

Common Questions: What does the shunt do in a 1-pole contactor

Universal Compatibility: Serves as the primary replacement for VR8205S2346 and legacy 93M81 parts across multiple Lennox gas furnace parts categories

York S1-310156 Coil 321702-401 Key Benefits for the ContractorThe 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