While primarily a York S1-025-35306-000 genuine component

it is best practice to mount the unit vertically with the coil terminals facing up or in a horizontal orientation

This furnace rollout limit switch features a compact disc-style design that fits seamlessly into the burner box assembly of various Carrier

the T-4000-3140 features a built-in Fahrenheit/Celsius thermometer to provide clear ambient temperature feedback for facility maintenance and field calibration

If multiple burners are not lighting simultaneously after ignition

Nor East Controls 30067860-859 Gasket While primarily a York S1-025-35306-000The Nor East Controls 30067860 859 Gasket is a precision engineered bonnet gasket designed for high performance sealing in industrial control valve assemblies. As an OEM replacement seal, this part ensures critical pressure containment and fluid isolation within HVACR control systems and pneumatic valve bodies. Fabricated from robust, chemically resistant materials, the 30067860 859 is built to withstand extreme thermal cycling and the rigorous