G3/4 Hall Effect Liquid Water Flow Sensor Switch Flowmeter Meter Counter DC 5V 1-30L/min YF-B5 Switches & Relays especially good rust resistance and

especially good rust resistance and easy processing

Material: Plastic

-Material: Brass Nickel Plated

*Get full swivel action

while also reducing the amount of signal loss

G3/4 Hall Effect Liquid Water Flow Sensor Switch Flowmeter Meter Counter DC 5V 1-30L/min YF-B5 Switches & Relays especially good rust resistance and1. Water Flow Switch adopts a Magnetic Reed Switch, G3 4 male threaded ports each end. Equipped with filter water entry. 2. Mainly used for water heater, boiler, water dispensers, coffee machines, hot card machines, steam equipment, water system, the campus card sales, selling self help water systems, water treatment equipment, cooling systems, mechanical equipment, instrumentation. 3. Three wire connection: Red for positive, black for negative,