The Grip-Rite GRCE2270 Pressure Switch supports automatic control of compatible equipment by responding to changes in system pressure. It works by monitoring pressure levels and opening or closing the electrical circuit when the preset range is reached, helping control the connected motor or compressor. This replacement component is suitable for maintenance or repair when the original... https://www.wholetoolbox.com/grip-rite-grce2270-pressure-switch/GRCE2270.html