York S1-025-22273-001 Limit Switch 318423-701 Technicians often encounter failed relays

Technicians often encounter failed relays or burnt traces on older modules

Advanced Protection: Integrated internal break thermal protection prevents motor burnout during high-load or phase-loss scenarios

The Wayne Combustion 62374-004 is a professional-grade intermittent pilot combination gas control engineered for high-performance gas-fired heating systems

we recommend using this specific York OEM relay for York equipment to ensure the mounting orientation and terminal ratings align with the system's wiring harness and current draw requirements

York S1-025-22273-001 Limit Switch 318423-701 Technicians often encounter failed relaysThe York S1 025 22273 001 Limit Switch is a critical OEM safety component designed for precise thermal management within HVAC furnace systems. This SPST (Single Pole Single Throw) fixed temperature control operates on an auto reset logic, ensuring the burner circuit opens when temperatures reach the 150F trip point and automatically closes once the system cools to 110F. Engineered for York, Coleman, and Luxaire gas furnaces, this high limit switch