Xylem-McDonnell & Miller 157S Low Water Cut Off W/Snap Switch 150W 173502

The Xylem-McDonnell & Miller 157S Low Water Cutoff with Snap Switch is designed to protect the boiler by shutting down the system when it detects low water levels. This has model 173502 with a power output of 150W and provides optimum performance for hydronic and steam HVAC applications. It work through a snap switch to shut off burner circuit when the water levels are low for quick and efficient operation. It designed to be long-lasting, and it enhances the performance of the system and the durability of the boiler.