Signs When Do You Need A New Pressure Tank?

We see it all the time: the pressure tank starts causing problems and the homeowner is left with inconsistent water pressure or no water at all. What could be happening, and should you call a water well professional? Pressure tank problems can be difficult fix, and the pressure tank often has to be replaced. Whether you’re a homeowner or even a renter on a well system, knowing the signs of pressure tank problems can help you prevent further water system damage earlier on. 

 

How Do The Well Pump and Pressure Tank Work

You can think of your pressure tank and well pump like a battery and generator. The pressure tank stores the pressure (battery), and the pump makes the pressure (generator).

Just like a battery-generator relationship, when you don’t have a working pressure tank, the well pump switches on. When the pump begins to cycle on and off quickly, the pressure tank is damaged, and your damage bill could be 3 times more than it needed to be.  

 

How Long Should My Pressure Tank Last?

Today we’re looking at bladder pressure tanks, the common pressure tank type that reduces pump cycling, protects against water hammer and maintains water pressure within your house.  

There are a few factors that determine how long your bladder pressure tank will last. First, the quality of the pressure tank itself. Cheaper pressure tanks will last 5 years, while high quality pressure tanks could last up to 30 years. If the water is clean and the tank is properly sized it should be lasting an average of 15 years. (We offer minimum 5-year warranty on our tanks).

The longevity of the pressure take also depends on quality of the water being pumped up from the well. If you regularly have sand or rocks in your water, the sediment will rub on the diaphragm in the pressure tank and create a hole.

Cycling is a third variable that could wear down your tank. The pressure tank is designed to limit the cycling of the pump with a layer of air above the water in the tank. When someone in the house turns on a faucet or takes a shower, the amount of air in the tank expands, which reduced air pressure. When the pressure approaches the cycle-on psi (usually around 40 psi), the pump kicks on to refill the tank with water and restore water pressure. If there is frequent or rapid cycling, the bladder in the pressure tank could be damaged.

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