As a genuine Trane OEM replacement part

Most frequent "open limit" errors are caused by restricted airflow

and Arcoaire furnaces

These gaskets are fabricated from heavy-duty

The York S1-025-27747-009 Limit Switch is a critical OEM furnace safety control designed to maintain thermal integrity within high-performance heating systems

White-Rodgers 3L02-190 Limit Switch As a genuine Trane OEMThe White Rodgers 3L02 190 Limit Switch is a high performance 3 4" snap disc limit control designed for precise thermal regulation in HVAC systems and furnace safety circuits. This industrial grade component, also identified by manufacturer number 60T15 330537, features a manual reset mechanism and a fixed 190F cut out temperature. Engineered with an Open on Rise switch action and a sturdy SPST configuration, it is primarily used as a high limit