Repeated tripping of the S1-025-22273-002 is often a symptom of restricted airflow

CNT03782 is the current manufacturer part number that replaces the CNT3782

As a critical high-limit safety control

Compatible with a broad range of Armstrong F&T traps

How do I resolve a weak yellow burner flame

Rheem-Ruud 47-23117-03 Limit Switch Repeated tripping of the S1-025-22273-002The Rheem Ruud 47 23117 03 Limit Switch is a critical OEM replacement safety control engineered to regulate supply plenum temperatures in gas fired comfort systems. This SPST normally closed switch is factory calibrated with an 85 degree F fixed open temperature and a 75 degree F fixed close temperature, ensuring it breaks the burner circuit if internal cabinet temperatures exceed safe thresholds. Designed for maximum reliability in high cycle