Expansion Tank

Discussion in 'Plumbing Building Code' started by Tamas, May 11, 2018.

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  1. May 11, 2018 #1

    Tamas

    Tamas

    Tamas

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    Hi,
    What do expansion tanks do at tank less water heaters???
     
  2. May 22, 2018 at 1:40 AM #2

    The1PipeDoctor

    The1PipeDoctor

    The1PipeDoctor

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    Absolutely nothing. They should not be required by code as the heating of the water is only done in an open system during flow so expansion is a non issue.
     

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