the GS250 is built for long-term durability in high-vibration mechanical rooms

providing energy-efficient performance with a high-efficiency motor

float-operated combination low water cut-off and pump controller specifically designed for commercial and industrial steam boiler applications

Certified Safety: Fully ASME Section IV and ANSI Z21

York S1-3110-3321 System Switch R-410A the GS250 is built forThe 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