York S1-025-27747-017 Rollout Switch 320788-703 Ensures a gas-tight seal for

Ensures a gas-tight seal for Lochinvar Power-Fin boilers (models 502-1302)

Universal Sensing: Capable of monitoring positive

Ensure the rotation (CW/CCW) and shaft diameter align with your existing fan wheel hub

and its seamless aluminum tubing frame provides a thermal barrier for stable

preventing liquid slugging and evaporator coil freeze-ups

York S1-025-27747-017 Rollout Switch 320788-703 Ensures a gas-tight seal forThe 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