How Does a Pressure Switch Work? Home » News » How Does a Pressure Switch Work? April 1, 2025 Written by: Sam Goddard A pressure switch utilises and monitors pressure within a system and provides electrical feedback to activate a physical mechanism that opens or closes. Upon detecting pressure changes and when it reaches a certain level, the switch can either activate or deactivate connected equipment, such as compressors, pumps, or valves. In doing so, the switches help to maintain uniform pressure throughout a system. See our Pressure & Vacuum product range. Share This Post Categories Advice and Information FAQs New Products News Newsletters Uncategorized Updates × Get In Touch Contact Us Please get in touch using the form below / ×