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Thread: winterize bladder tank

  1. #1
    DIY Junior Member gbutts's Avatar
    Join Date
    Jun 2012
    Location
    Milwaukee, Wi
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    6

    Default winterize bladder tank

    this summer replaced my old pressure tank with a new bladder tank - am very happy with the smaller size but have one question on how to winterize it. Have been draining the system for the winter for 20 years with no issues despite leaving property with no heat and 20 below temperatures. One concern I now have is how to handle the bladder in the tank when I drain the system - should I release the air pressure after draining the system or leave it with the 38 lbs of pressure?

  2. #2
    Moderator valveman's Avatar
    Join Date
    Mar 2006
    Location
    Lubbock, Texas
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    4,156

    Default

    Leave the air in the tank. The air will actually push the water out so the tank won't freeze. You just need to make sure all the pipe is drained.

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