... the water control system, easy to use, no power is the flow switch on. Applications Mainly ... water heater, boiler, water dispensers, coffee machines, hot card machines, steam equipment, water system, the campus ... stream flow8L/minStartup flow power10WOperating pressure0.005-1.0MpaMax pressure1.5MpaMediaWaterOperating temperature ≤80°CInstallation Method ... -HS15 Piston-type flow switch 1/2''-paypal switch