pls advise on hot&cold water inlet piping

Discussion in 'Water Heater Forum, Tanks' started by chrisoffice, Jun 30, 2020.

  1. chrisoffice

    chrisoffice New Member

    Joined:
    Jun 30, 2020
    Location:
    GA
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    I am going to replace this 10+ year old water heater, and am thinking about re-do all the pipework that goes into the water heater, as shown on the picture, those copper pipes are covered with greenish corrosion.

    The cold water goes from the water main to the water heater directly, the original installer made several turns on the copper pipe before it goes into the heater, to reduce the water pressure maybe?

    I am going to use the 18-inch flexible pipe to connect both the hot and cold water to the water heater. Now the question is, because I am getting rid of all those copper pipes shown on the picture, and maybe it is not a good idea to directly connect the new flexible pipes to the remaining outlets in the wall. How should I run the new copper pipes from the wall outlet before it connects to the flexible pipes?

    Thanks!
     
    Last edited by a moderator: Jun 30, 2020
  2. chrisoffice

    chrisoffice New Member

    Joined:
    Jun 30, 2020
    Location:
    GA
    BTW, the original installer did not install a thermal expansion tank, and it worked fine for the past 10+ years. It is a condo unit, I believe there is a check valve for the entire subdivision, but not for each individual condo unit. So probably the thermal expansion tank is not needed.
     

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  4. fitter30

    fitter30 Active Member

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    All that green on the pipes probably flux that ran down the pipes when installed. Replace that gate valve with a full port ball valve. That cold piping was probably to close between the drop and pipe out of the heater for two 90s ( elbows) and installer didn't have the fittings to make that close offset.
     
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