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Thread: Does this quote make sense? Dual Shower w/ Body Sprays

  1. #16
    Moderator & Master Plumber hj's Avatar
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    quote; What about a heat recovery pipe on the shower's cold water intake

    The water pipes are going in the attic, so I doubt that he has a basement, and I would NEVER install one of those under a concrete slab floor, even if I believed they gave a benefit, which I do not.
    Licensed residential and commercial plumber

  2. #17
    DIY Junior Member zipsilver's Avatar
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    Quote Originally Posted by johnfrwhipple View Post
    Aside from all the pipe sizes comments the actual cost of the new work does not seem out of line. If your on a roll with the change orders you can consider a few more options.

    1). What about a heat recovery pipe on the shower's cold water intake? This can pre-warm the cold water reducing the demand on the hot while you shower.

    2). What about a secondary hot water tank to pre-heat the cold water for the master shower. This I have not seen done but something I want to do in my own home.

    3). A on demand hot water system for your en suite shower. Just in case you get all the flow you want and want to stay in the shower for more than 30 minutes.

    Just more food for thought.

    JW
    If the 50Gal Electric doesn't cut it with the vertical spa for at least a 10 minute shower I will probably put an 18KW EcoSmart on demand unit on the single rain shower head as a back up. Incoming water temp is 62-75 here in Cent FL

  3. #18
    Retired Defense Industry Engineer jadnashua's Avatar
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    Tankless might work out with your incoming water that tepid BUT some don't like it very warm if they can't modulate the flame down enough. Check the specs carefully.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  4. #19
    DIY Junior Member zipsilver's Avatar
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    Thanks, but flame? being fecisious? it is electric

  5. #20
    Nuclear Engineer nukeman's Avatar
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    You may not even be able to add the electric tankless without an upgrade to your electrical service. You are adding an additional 18kW load that probably wasn't planned for when the house was built and you may not be able to support it.

  6. #21
    Retired Defense Industry Engineer jadnashua's Avatar
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    The modulation range on any tankless can vary, regardless of the source of heat. It's certainly eaiser to modulate with electric, but that doesn't mean that they can.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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