Water Well Pressure Tank Sizing Chart

Series 420 and 447 pressure switch for commercial well system applications sizing the well x trol this handbook will discuss the basic sizing used for our larger full acceptance bladder well x trol well tanks.

Water well pressure tank sizing chart. A pressure tank is an integral part of maintaining your well. Larger tank sizes will reduce pump cycles extending pump life and saving electricity. The amount of water stored in a vessel between high and low pressures is commonly called drawdown and the high and low pressures are dictated by the size of the tank s air cushion. To select the minimum size tank count the fixtures inside and outside your home including showers appliances toilets etc and refer to the chart below.

This allows you to use the well x trolprinciple of separation of air and water on. Drawdown gal pump run time min pump capacity gpm. The actual draw down is the physical volume of water that is drawn from the water pressure tank before we expect the pressure drop in the water supply system to reach the well pump cut in pressure. A properly sized pressure tank ensures your household water needs are met and your pump is protected against short cycling.

There are no disadvantages to having a larger well tank. Because the pressure tank is a core component of the entire well system responsible for regulating pressure and for easing the workload of the well pump the importance of selecting a the right well pressure tank cannot be overemphasized. Selecting a poorly made pressure tank may result in more troubleshooting scenarios than necessary. Join john woodard our master water specialist.