The most common causes of a pressure tank losing pressure are a broken air valve or a diaphragm/bladder that is damaged. As a result, the tank is no longer able to keep the ideal water pressure, which causes pressure variations or a total loss of pressure. There are so many reasons for water pressure losing tanks. If you want to know What Causes a Pressure Tank to Lose Pressure, visit the blog post now. https://www.vingle.net/posts/6091822?wsrc=link