Adjustable pressure function: This is a water pump pressure control switch for perfect pressure control. When adjustable rise and fall thresholds are reached, a pressure switch with a 40-60 psi pressure setting range activates the electric water pump in the circuit.Widely used: 1/4 inch internal thread NPT, standard well pump replacement switch, designed for all types of electric well pumps (jet, submersible, reciprocating, etc.).Premium material: the pressure control switch is made of high quality material with high strength and durability. The contact can be opened when the pressure rises, extending the service life.Easy to use: water pressure control is easy to use, stable performance, motor protection, saving, long-term use.Material: plasticcolour: greyPackage Contents:1 x pressure switch for well pumpOnly 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.