【 Intelligent Valve, With Pressure Switch 】When the pump's water outlet is completely blocked(no water leakage and the pressure goes to the maximum value 11 kg.f/cm2), the power will be automatically cut off and the pump motor will stop. When the water outlet is opened, the pump will start operating again. 【 Stable and Heavy Duty Equipment 】This Self Priming is constructed with high quality solid ABS and soft rubber, sturdy and in using. The soft rubber mounting feet provide good cushion from vibration. When installed correctly, marine duty fresh water pumps provide years of quiet 【 Efficiently Self Priming 】Self priming smoothly, easy connecting system, powerful automatic pressure pump, extremely efficient, very low current draw and offer high capacity output. Stable characteristics and high reliability, this is a perfect choice if you are in need of a self priming ! 【 Indicating Arrow & Wide Applications 】 The self priming has an indicating arrow on the pump to direct the water flow, and it directs to the outlet water side. Wide suitable for car washing machine, the solar energy water, remote control water equipment, some place need to control the switch frequently, somewhere energy saving, etc. 【 Condition & Service Guaranteed 】100% Brand new and high quality Self Priming , size(L x W x G): 18.3 x 4.7 x 4.8cm/7.2'' x 1.85'' x 1.89''; Suitable Inlet/Outlet Hose Size: 12mm outer diameter, 8mm inner diameter. In terms of any problem of this product, you can send emails as soon We will provide you excellent customer service and satisfaction warranty., Weight: 2.6014546916 pounds, Manufacturer: Keenso