York S1-025-27747-017 Rollout Switch R-407C This 24Vac unit utilizes a

This 24Vac unit utilizes a Class F coil rated for continuous duty in demanding applications

this TXV valve is specifically calibrated for the pressure-temperature characteristics of R-410A refrigerant

common in commercial lighting and HVAC circuits

Smith 100274781 valve installation

York S1-025-27747-017 Rollout Switch R-407C This 24Vac unit utilizes aThe 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