G1/2 Hall Effect Liquid Water Flow Sensor Switch Meter Counter DC 5V 1-25L/min YF-B7 AC Voltmeter 18-inch x 1

18-inch x 1

high power

10Pcs x Cable Glands

Control Type: Power Ups

87inch (L*W)

G1/2 Hall Effect Liquid Water Flow Sensor Switch Meter Counter DC 5V 1-25L/min YF-B7 AC Voltmeter 18-inch x 11. Water Flow Switch adopts a Magnetic Reed Switch, G1 2 male threaded ports each end. Equipped with filter water entry. 2. Mainly used for water heater, boiler, coffee machines, hot card machines, steam equipment, water system, selling self help water systems, water treatment equipment, cooling systems, mechanical equipment, instrumentation. 3. Wire connection: red for positive, black for negative, yellow for pulse signal. Another for temperature