York S1-025-27747-017 Rollout Switch 320788-703 reducing the risk of seat

reducing the risk of seat leakage or "simmering" near the set limit

Universal Sensing: Capable of monitoring positive

preventing liquid slugging and evaporator coil freeze-ups

supporting energy-efficient performance and maintaining low-NOx compliance

York S1-025-27747-017 Rollout Switch 320788-703 reducing the risk of seatThe York S1 025 27747 017 Rollout Switch is a critical OEM replacement part designed for high limit temperature monitoring in York, Coleman, and Luxaire gas furnaces. This rollout switch is precision calibrated to trip at 350F, effectively breaking the 24V safety circuit to the gas valve if flame rollout or heat exchanger compromise occurs. As a manual reset rollout switch, it requires a physical inspection of the combustion area by a technician