Unlike mechanical butterfly valves or mod motors

Enhanced Voltage Rating: The 440Vac design is backward compatible with 370V systems

While it operates on 24 VAC

and mineral oils without compromising desiccant integrity

York S1-3110-3321 System Switch R-410A Unlike mechanical butterfly valves orThe York S1 3110 3321 System Switch is a critical Genuine OEM Replacement Part engineered for precise electrical control in York, Luxaire, and Coleman HVAC equipment. Designed to meet exact factory tolerances, this HVAC toggle switch manages power flow and operational modes, ensuring the control circuit functions without intermittent failure. For technicians performing system switch replacement, this component provides the necessary replacement HVAC