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 pressure setting range activates the electric water pump in the power circuit.<br> Widely used: 1/4 inch internal thread NPT, standard pump replacement switch, designed for all types of electric pumps (jet, submersible, reciprocating, etc.).<br> 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.<br> Easy to use: water pressure control is easy to use, stable performance, motor protection, power saving, long-term use.<br> Material: plastic<br> colour: grey<br> Package Contents:<br> 1 x pressure switch for pump<br> Only the above package content, other are not included.<br> Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.