<p>Pressure transimitter inside, stable and accuracy.</p> <p>Switch of the pump during water shortage and on with water.</p> <p>Micro-computer process chip, safe and intelligent control.</p> <p>One-click set up on\/off limit.</p> <p>Waterproof: IP65</p> <p>Relay Capacity: 220V AC 10A</p> <p>Working Pressure Range: 0-10 Bar, matching with all pumps</p> <p>Output signal: active output, to provide pump 220V, start the pump below 1.5KW directly</p> <p>Type:Digital Pump Switch</p> <p>Condition: </p> <p>Installation Remarks:</p> <p>If the pump doesn't have a check valve, then a check valve must be installed in front of the pressure, in this case the pump may on\/off ,ore frequently.</p> <p>When you turn on the tap water, if the pump is on\/off time to time, please adjust the H valve to a larger valve.</p> <p>If the pump keep runs with stopping, please lower the H valve, on the other hand, if th epump doesn't work, please set the L valve higher. </p> <p>Voltage: AC220V</p> <p>Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on</p> <p>Colour:As Shown</p> <p>Material:Metal + Plastic</p> <p>Package Contents:</p> <p>1 x Digital Pump Switch</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>