Xylem-McDonnell & Miller FS7-4S 1.25 Inch S.S.,1000#,Spdt #120160

The Xylem-McDonnell & Miller FS7-4S 1.25 Inch S.S., 1000, SPDT 120160 is a crucial safety component intended for use in HVAC systems. It specifically addresses the need for reliable low-water cutoff protection in steam boiler applications. This device functions as a float-type low-water cutoff valve and is an essential safety precaution to guard against low water levels damaging boilers. A stainless steel float mechanism that rises and lowers in response to the boiler's water level is included with the FS7-4S. The float activates the switch to turn off the burner when the water level falls below a safe threshold, averting overheating and potential boiler damage. The Xylem-McDonnell & Miller FS7-4S low-water cutoff switch, which is installed within steam boilers, plays a crucial role in safeguarding boiler systems and ensuring operational safety.