Features SPDT Contacts: When the flow exceeds the set value, the fluid pushes the paddle, which drives the upper micro switch through the mechanism inside the water flow switch, and the SPDT contact opens one circuit and closes the other. Pallet Control The number of pallets and the length of adjusted pallets can be adjusted to meet the needs of different pipe diameters and flow rates. Widely Used This flow switch can be used in water treatment systems, central air conditioning, water cooling units, etc. It is suitable for water and any other gas or liquid that has no corrosive effect on brass. Brass Material The shell is made of brass, which is strong, durable and corrosion resistant and greatly improves the service life. Fine Workmanship The water flow switch has fine workmanship, no burr, smooth surface, compact size and easy installation. Specification: Item type: water flow switch Material: Brass Maximum static pressure: 17.5 kg/cm² Ambient temperature limit: 0℃-60℃ Maximum liquid temperature: 100°C Electric switch: SPDT Rating: 220VAC, 15A Interface: DN15(G1/2in) Package list: 1 water flow switch 3 x paddles. 1 x User Manual Package List 1 x Water Flow Switch 3 x Paddle 1 x User Manual