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Troubleshooting Expansion Tank

Dairon421Dairon421 Posts: 7Member
Is there any other way to tell if the expansion tank is bad besides knocking on it?

Comments

  • ZmanZman Posts: 5,262Member
    Much better! Remove the tank and check the precharge pressure using the schreader valve.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • STEVEusaPASTEVEusaPA Posts: 3,352Member
    Zman said:

    Much better! Remove the tank and check the precharge pressure using the schreader valve.

    That’s pretty much the only way.

    Same people who knock on expansion tanks must’ve learned it from knocking on oil tanks..
    steve
  • Intplm.Intplm. Posts: 944Member
    Dairon421 said:

    Is there any other way to tell if the expansion tank is bad besides knocking on it?

    Can sometimes push on the stem of the schrader valve. If you get air the bladder is most likely intact. If you get water, it's time to change it.
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