York S1-025-41320-000 Limit Switch 320819-301 ensuring the sampling tube fits

ensuring the sampling tube fits 24" to 48" spans perfectly

check for blocked venting

simplifying troubleshooting during system commissioning

This regulator is rated for a 10 PSI maximum inlet pressure

York S1-025-41320-000 Limit Switch 320819-301 ensuring the sampling tube fitsThe York S1 025 41320 000 Limit Switch is a critical safety component designed for precise thermal regulation in York, Luxaire, and Coleman furnace models. This L140 40F limit switch functions as a high limit protection device, set to open at 140F and automatically reset at 100F. Engineered for high cycle reliability, this OEM replacement part monitors the heat exchanger plenum temperature to prevent overheating, which can lead to cracked heat