How to Bleed My Blue Well Tank

The blue tank that is part of your water pump system is a bladder tank. The tank has a rubber bladder inside that pressurizes the water. The pump cuts on when the water pressure drops below a predetermined cut-in pressure indicated by a pressure valve near the pump on a pipe. If the pump is coming on too often, it is usually because of too much pressure in the bladder tank. Bleeding your blue well tank is a simple as taking air out of a tire.

Air gauge
Cotton swab

Instructions

- 1
  Check the top of the blue well bladder tank for the air valve. The air valve looks just like the air valve on a tire.
- 2
  Shut off the circuit breaker to the water pump. Open a faucet nearest to the pump and allow it to run until no more water drains. Shut off the faucet.
- 3
  Unscrew the cap from the air valve on top of the blue bladder tank. Place an air gauge over the valve and read the scale. The pressure inside the bladder bag should be two pounds less than the cut-in pressure of the water pump. Most water pumps operate with a cut-in pressure of 30 PSI. This means the air pressure in the bladder tank should read 28 PSI.
- 4
  Push down the needle in the center of the air stem with your fingernail or a cotton swab for 10 seconds. This releases, or bleeds, air from the bladder tank. Recheck the air pressure with the air gauge. Continue bleeding the tank in short bursts until it is 2 pounds below the pump cut-in pressure.
- 5
  Twist the cap back onto the air valve. Turn the circuit breaker on to power the water pump.

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