Waterlogged pressure tank?

If you have a well and pump, chances are that you also have a water pressure tank somewhere nearby! The older type of tank, called a galvanized tank, will normally waterlog occasionally, and this requires your attention. NOTE: This section does NOT apply if you have a more modern diaphragm or bladder type pressure tank!

Does your pump run in very short bursts, and turn on and off again frequently? Does the pump turn on every time you open a faucet, or do you notice pressure surges while the shower or a faucet is running? Does the pump run all the time, but your water pressure is low? These are all symptoms that could mean a waterlogged pressure tank.

Want to try de-waterlogging yourself? Here's how to do it right!
  1. Turn off the power to the pump at the switch or breaker. Also if there is a valve between the pump and the tank, turn it off. If this valve is broken or leaking, now is an excellent time to change it; if the pressure gauge needs replacing, do that also, after step 2!
  2. Open a faucet close to the tank, preferably one that is as low to the ground as possible to facilitate draining.
  3. When the water slows to a trickle, find a way to introduce air into the tank. This may be done by taking out a fitting or plug in the side of the tank, preferably close to the center of the tank, or using a small air compressor to put air into a tire valve-style fitting on the side or bottom of the tank. Either way, the idea is to get most of the water out of the tank, and replace it with air. If your pump motor is in the well, you can empty the tank of water completely without problems. If you have a jet pump, where the motor is visible next to the wellhead, you should leave about 1/2 of the water in the tank, in order to keep some water for priming the pump. In fact, it is a good idea to fill several buckets with water before you turn the pump off, just in case! NOTE: Do not pressurize the tank with air instead of draining it - you can put too much air into the system, and cause some rather interesting problems and no end of frustration for yourself!!
  4. When you have sufficient air in the tank, turn off the air and faucet, and turn the pump back on. Open the valve between the pump and tank just enough to keep the pump running, but do not let the pressure drop below 20 lbs. until the tank is full.
  5. If you can't get it running right, call us (or your nearest pump professional)!! We'll gladly help you over the phone if possible, or give you a hand in person, if you are in the local area.


Contact us now!

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