using a genuine Lennox P-8-1419 replacement is non-negotiable for system calibration

Repeated tripping usually indicates an airflow restriction

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

leak-resistant connection to your main or high-pressure steam line

York S1-025-37344-000 Limit Switch using a genuine Lennox P-8-1419The 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,