What could cause air to come in pipes making water heater slosh/gurgle & affect faucets & toilets? Check valve on main water line didnt help?

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    Lv 6
    1 month ago

    Maybe from the suppler.  Doesn't make sense that it could be permanent in your system, if it affects your cold water supply. Any neighbors getting the same?

  • Anonymous
    1 month ago

    Air should not be coming into the mains-fed system.

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