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Frequent tripping usually indicates restricted airflow
Thermal Resistance: High-grade fiber construction rated for combustion venting temperatures
As a veteran HVAC technician
The BDHE-136 features a robust metal construction to resist shear forces and environmental corrosion
you must use the 10123531 or an identical 325F rated switch as specified by the manufacturer's data plate
York S1-025-29041-005 Limit Switch Frequent tripping usually indicates restrictedFor contractors servicing York and Coleman heating equipment, the York S1 025 29041 005 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring. This auto reset limit control is engineered with a 3 inch insert (3" stem) and features a specific thermal profile where the contacts open at 140F and automatically close at 110F. If you are troubleshooting a furnace short cycling or encountering a 4 red light flash code