Working principle: our control switch automatically turns the pump on and off according to the change of pressure in the pipeline, realizing driverless control.<br> Basic value: the rated voltage of the switch pump pressure control is 110v 230v 380v, the maximum current is 10a, and the operating temperature is 055.<br> Pressure adjustment: The pump pressure can be adjusted by the pump pressure switch, you can adjust the adaptive pressure according to the working conditions.<br> Interface thread: the interface thread of our switch Pump pressure control switch is zg1/4in g1/4in, which is easy to install and friendly for novices.<br> ABS and metal: The pump pressure switch is made of ABS and metal materials with excellent evidence of craftsmanship and corrosion.<br> Note:1. Please check the part number of your item, the relevant information is for reference only.<br> 2. If you are not sure about the item, please contact us before purchasing to avoid unnecessary returns, thanks!<br> 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. Sold by-DIMEANI official store