York S1-025-27747-017 Rollout Switch R-407C allowing technicians to upgrade from

allowing technicians to upgrade from electromechanical lube oil control systems to high-precision electronic equivalents like the P545NCB-82

Stainless Steel Power Element: The HF series utilizes a durable stainless steel power assembly to resist corrosion and ensure long-term mechanical integrity

Smith 100274781 valve installation

This veteran-preferred Apollo 13 Series safety valve features a 3/4" Male NPT inlet and a 3/4" Female NPT outlet

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

York S1-025-27747-017 Rollout Switch R-407C allowing technicians to upgrade fromThe 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