The Metabo HPT - Hitachi 887515 Pressure Switch provides controlled electrical switching for compatible equipment, supporting proper operation during use. It works by responding to changes in pressure and opening or closing the electrical circuit at the designated pressure levels, allowing the connected system to operate within its intended range. This replacement component is suitabl... https://www.wholetoolbox.com/metabo-hpt-hitachi-887515-pressure-switch/887515.html