PumPlus Pressure tank is an essential part of a pressurized water system that provides water pressure at a set level.The tank stores supplemental water between diaphragm and liner, and the pressurized air chamber is able to create a supply circle. This process reduces the number of times the motor need to start in order for the system pressure to remain at the set level. The tension of diaphragm maintains water pressure within the system, ensuring proper operation of the dishwasher and washing machine, and robust flow for showering and bathing. PumPlus pressure tank is an energy saving device and no maintenance is needed. A properly sized pump and pump tank will work as a team to meet your needs and will deliver many years of dependable service.