Item Type: Water Pump Switch <br>Material: Zinc Alloy <br>Specification: 2.2-3.0kg /4.8-6.6lb (Suitable for 550W 750W) <br>Interface Thread Specification: 3/8in <br>Usage: This switch is suitable for automatic cold and hot water self-priming booster pumps of major brands at home and abroad, for internal and external threaded bend<br>1、The bottom is made of zinc alloy, which is durable, anti?corrosion, withstands high pressure without water seepage, water leakage, etc. <br>2、Use silver material double contact, (the contact is 15?sided contact point is more stable than the single round ), ensures the strength. <br>3、Large contacts for longer servicing life open on rising pressure, avoid frequent start of the switch. <br>4、Self priming, smooth, silent operation and can run dry without damage, stable and reliable. <br>5、Standard water pump replacement switch designed for use of electrically driven water pumps of most types.The switch is suitable for automatic cold and hot water self?priming booster pumps of major brands at home and abroad, for internal and external threaded elbow.1 x <br> <br>Water Pump Switch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.