Silverton, Oregon

How Do Water Pressure Tanks Work? June 12, 2019

Silverton, Marion
How Do Water Pressure Tanks Work?, Silverton, Oregon

It’s easy to take water pressure for granted. When you turn on your faucet or showerhead, you expect a steady and consistent supply of water. As a result, when the pressure is too light or heavy, it can make it difficult to go about your daily routine. To help you better discuss issues with a repair or installation specialist, below is a comprehensive guide to how a water pressure tank works and how to determine the right size for your home.

How Water Pressure Tanks Work

pressure tankAfter water is pumped from your residential well, it moves into a pressure tank. During this process, the air inside will compress and put more pressure on the water. Once it hits the set pressure—generally 20 to 40 psi or pounds per square inch—the pump will turn off, and the water will travel into your home. This will cause the compressed air to drop slowly, which eventually triggers the submersible pump and repeats the process all over again. While many tanks already come with a preset water pressure gauge, you can also adjust the pressure to your own preferences. 

How to Choose the Right Sized Pressure Tank

Knowing the flow rate of your water well pump will help you choose the right sized pressure tank. It should be about four times the flow rate. For instance, if your water pump works at a rate of 10 gallons per minute, you will need at least a 40-gallon pressure tank to maintain adequate pressure in your home. Keep in mind that residential tanks can hold anywhere from 10 to 200 gallons of water. 


When you need pressure tank installation services, contact Stadeli Water Systems in Marion County, OR. For over 65 years, this locally owned and operated company has specialized in a variety of services, including advanced filtration system installations. Call (503) 873-9287 to schedule an appointment, or visit them online to learn about their full list of products and services. 

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