Standard well pump replacement switch, designed for all types of electric well pumps (jet, submersible, reciprocating, etc.) It is made of high-quality materials with high strength and durability. This is a water pump pressure control switch for perfect pressure control. There are two springs in the controller for convenient and accurate adjustment. The pressure threshold can be adjusted through the well pump pressure switch. The pump pressure can be adjusted by this switch, you can set the adaptive pressure according to the work needs color: grey material: plastic Package Contents: 1 x pressure switch for well pump 1 x sealing tape Only the above package content, other products are not included. 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.