Feature 1ABS, BRASS MATERIAL: Made of premium ABS and brass material, this switch is high temperature resistant, corrosion resistant, which can be used under both cold and hot water conditions. 2SAFE TO USE: The electronic components are used as control devices to ensure that the product is completely enclosed and non sparking during use. 3EASY TO INSTALL: This water pump switch is small and compact in size, light in weight, you can complete the installation quickly and put the switch into use. 4LOW WATER PRESSURE START: The return spring is made of premium stainless steel material to achieve the function of starting the water pump at low water pressure. 5SPECIFICATION: This G3/4 to G1/2 universal adjustable switch is an ideal replacement for the old and damaged parts, pay attention to the details!SpecificationItem Type: Water Pump Pressure SwitchMaterial: ABS, BrassSpecification: Universal adjustable type (G3/4 to G1/2)Inner Diameter: Approx. 25mm / 0.98in Outer Diameter: Approx. 20mm / 0.79inRated Current: 2APower: 150WScope of Application: Automatic start and stop of booster pump .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Switch2 x Rubber Ring