Automatic Electronic Switch Control Water Pump Pressure Controller 110 or 220V (works on both)

-up to 3/4HP with 110V -up to 1.5HP with 220V This electronic unit controls start and stop of the pump when any tap or valve of the system is opened or closed. When the pump is started, it remains running as long as there is demand by the user thus supplying the water main at constant flow rate and pressure rate. It is provided with a special check valve (to protect against risk of water hammer). Application: It's a device designed for controlling and protecting pumps in plumbing installations or systems for the garden, irrigation, sports facilities, etc. This electronic unit allows : Starting the pump with minimum difference in water pressure (opening of a tap), thus avoiding continuous switching on/stopping of the pump. Automatic stopping of the pump after using the water (closing of tap) Protecting the electric pump against water supply failure: pump stops after 8 seconds of operation Protecting the system against risk of water hammer thanks to the built-in check valve Easy reading.