Xylem-McDonnell & Miller FS5-1 1" SPDT Flow Switch 150 PSI 114780

The Xylem-McDonnell & Miller FS5-1 flow switch monitors and controls fluid flow in HVAC systems. It's a single-pole, double-throw switch, which means it has one fluid inlet and two electrical outputs. When liquid runs through the switch, it activates a mechanism that switches the electrical connection from one output to the other. This electrical state shift can be utilized to manage a variety of HVAC system functions, including pump activation, valve opening, and equipment shutdown in low or no flow situations.The FS5-1 is designed to work with 1-inch pipes and can tolerate pressures of up to 150 psi.