this specific model is engineered for a 5/8" bore and will not fit a standard 1/2" shaft without an adapter

providing accurate positioning for reheat coils and terminal unit control

effectively preventing the intermittent firing or system lockouts common with worn elements

Durable Construction: Built to endure rigorous commercial and residential furnace environments

Extreme Durability: The hermetically sealed construction and stainless steel housing prevent refrigerant leaks and resist corrosion in high-demand environments

York S1-311710 Coil 322055-301 this specific model is engineeredThe York S1 311710 Coil is a critical OEM replacement part designed for high performance fluid and gas flow management within industrial and residential HVACR systems. Operating on a 24V AC circuit at 50 60Hz, this 10W solenoid valve coil provides the precise electromagnetic force required for consistent valve actuation. Engineered for the MKC 2 solenoid series, it ensures seamless integration with Unitary Products Group (UPG) equipment, maintaining