How Does My Private Well System Work? January 25, 2016By Cassia Smith Training Videos video 0 Your well system consists of many parts, including your well, pump, pitless unit, pressure tank, well cap, and electrical controls. This video provides an overview of a typical system with a standard-size pressure tank, and explains the role each system component plays in delivering clean water to your home. Click here to sign up for our free well care e-course. Comments are closed.