Switching It Up: Understanding Pressure Switches in California Wells When it comes to the efficient functioning of your California well, understanding the role of pressure switches is paramount. At O’Sullivan Pump Co., we pride ourselves on offering top-notch services in windmill repair and well maintenance across California. Visit: https://osullivanpumpco.com/2024/03/07/switching-it-up-understanding-pressure-switches-in-california-wells/