Plenum Protection: Prevents heat exchanger stress by managing airflow based on real-time internal temperatures

the TR50VA002 utilizes a Foot and Dual Threaded Hub Mount configuration

While optimized for the KH8 damper crank arm

this Nordyne 01-0115 provides the exact physical footprint and terminal orientation required for a quick

Repeated tripping usually indicates an airflow restriction

York S1-025-37344-000 Limit Switch Plenum Protection: Prevents heat exchangerThe York S1 025 37344 000 Limit Switch is a critical safety component engineered for precise thermal regulation within York, Luxaire, and Coleman gas furnaces. This OEM replacement part operates as a normally closed switch that opens the electrical circuit when the internal plenum temperature reaches its 215 degree Fahrenheit trip point. Designed with a 30 degree differential, the automatic reset furnace limit re closes at 185 degrees Fahrenheit,