Tank air pressure for non bladder water tank

Discussion in 'Pumps and Tanks Well Forum & Blog' started by DonL, Jan 1, 2012.

  1. DonL

    DonL Jack of all trades

    Messages:
    3,812
    Location:
    Houston, TX
    No gauge on the tank. Mine is mounted on the Pressure Regulator that controls the jet pressure.

    When the pump is off , I would think that it is reading the tank pressure.

    I could add another meter, but would have to worry about it freezing.

    I have a heat tape to keep the regulator and Pressure switch from freezing.
  2. LLigetfa

    LLigetfa DIYer, not in the trades

    Messages:
    3,826
    Location:
    NW Ontario, Canada
    If you mount it high enough on the tank, it will be full of air so freezing would not be a problem unless you waterlog the tank. I have 3 gauges. My EPS15/99 shows the pressure via LED segment display, I have a gauge Tee'd off the switch, and I have a gauge Tee'd off the schrader at the top of the tank. All 3 read different. Chinese quality at its best.
  3. ballvalve

    ballvalve General Engineering Contractor

    Messages:
    3,261
    Location:
    northfork, california
    Not so. But its a bit of an art to do a pre pressure with the water at the right level. AND count on it going down daily as the air absorbs into the water. If you have a 40 to 60 switch, and pressure to 35, you have about the same capacity as a bladder tank with its enormous draw down for cheap. the difference is the absorbtion and the fact that you loose all the air when the power goes out. Do it - tested it. works.



    But that is quite true. The float release is designed for submersibles.
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