My well system uses a Square D pressure switch to control a jet pump that feeds off a 2500 gallon tank and pressurizes a typical 50 gallon bladder type tank. Here'a a link to the pressure switch:
https://smile.amazon.com/gp/product/B000IJWSDA/ref=oh_aui_search_asin_title?ie=UTF8&psc=1
This...
