Xylem-McDonnell & Miller FS251 1" General Purpose Flow Switch 120611

The Xylem-McDonnell & Miller FS251 1" General Purpose Flow Switch 120611 functions as water flow detection product for HVAC systems that operate in boilers and hydronic heating systems. The device enables equipment activation or deactivation through flow conditions to maintain system operation. The flow switch protects system components from damage through its flow detection capability while lowering energy usage which results in better reliability and more efficient operation and decreased repair expenses thus becoming vital for HVAC system maintenance.