Supervisory Switch to monitor the open position of a Non-rising Stem Gate Valve and Ball and Angle Valves

Hydronics, Flow Switch, 2" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, Explosion Proof NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 2" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 2 1/2" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, Explosion Proof NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 2 1/2" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 3" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, Explosion Proof NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 3" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 4" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, Explosion Proof NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 4" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, NEMA 4 Enclosure Rating, and two sets of SPDT Contacts

Hydronics, Flow Switch, 5" Pipe Size Waterflow Detector with 4-10 GPM Flow Rate, 450 PSI Static Pressure Rating, Explosion Proof NEMA 4 Enclosure Rating, and two sets of SPDT Contacts