Water Pump Flow Sensor Electronic Pressure Automatic Control Switch HT‑60 6‑4 220V 60W.Water Pump Flow Sensor Electronic Pressure Automatic Control Switch HT‑60 6‑4 220V 60W Realize automatic water flow control, make the water pump start automatically, work automatically when the faucet is opened, and stop working when the faucet is closed Produced with high temperature resistant materials, the product can be used under cold and hot water conditions Use electronic components as the control de