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Bridged water heater ?

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  • Bridged water heater ?

    Bridged water heater ?

    Was working on a commercial water heater and it had a 3/4" line between the input and output During the course of the job I installed a ball valve so they can decide rather or not it needs to be there ...

    Anyone explain the pros and cons of such a "bridge"

  • #2
    could be a setup for a tempering valve? was this cross on the heater or the building piping?

    Rick.
    phoebe it is

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    • #3
      On the heater

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      • #4
        On the heater would make it a bypass for tempering or mixing. It should also incorporate a check valve.
        post a link to the heater and the parts list should describe what it is.

        Rick.
        phoebe it is

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        • #5
          would need a check as rick said, probably used because the heater had a large usage at some point and it may have been used to help prevent condensation
          ~~

          ... it was plumbed by Ray Charles and his helper Stevie Wonder

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          • #6
            no check valve ... In Florida condensation is not a huge issue

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            • #7
              Originally posted by NoeEttica View Post
              no check valve ... In Florida condensation is not a huge issue
              condensation is a huge issue no matter where you are. the incoming water is 65-75 degrees there? it's still well below the point where condensation in the burner chamber stops (140 degrees). tempering the water in the tank to maintain a temp above 140 (or very close to 140) will extend the water heater lifespan.
              ~~

              ... it was plumbed by Ray Charles and his helper Stevie Wonder

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