Has Eternal tankless gone belly up??

Discussion in 'Tankless Water Heater Forum' started by Master Plumber Mark, Aug 5, 2015.

  1. Randall Joseph Cheske

    Randall Joseph Cheske Duckman

    Joined:
    Jul 14, 2018
    Occupation:
    Retired
    Location:
    Milwaukee
    I was just watching a re-run of a This Old House Trade School season 1 episode 15 that first aired on March 2018 and they were showing the Eternal hybrid water heater. Caught my interest so I thought I'd research them for another cabin project. Obviously not going to happen but it makes you wonder how long ago do they record these shows before they air them since they have been out of business. I've been using tankless for over 15 years at my house and at my cottage. Yes, there is more maintenance, not much more, and yes you need to put in the proper filtration and protectors when you install. Like anything, educate yourself before you trust what the 'professional' tells you, even doctors don't know everything.
     
  2. Work it!

    Work it! New Member

    Joined:
    Aug 14, 2018
    Location:
    CO
    FIXED my GU100 Eternal tankless, bought in 2014. Its only been a day but this is more than I could find online to fix it.
    Lost hot water recently and found E27 error on the front panel. Found out that the company went belly up and so on. Opened it up and it was totally dry inside and according to the error code there was a problem with the mixing valve initializing. Saw a video on Youtube about this and followed the directions to remove the mixing valve assy. It's the white plastic thing with two wiring harnesses attached to the bottom of the gray plastic mixing valve. Easy peasy, 15 minutes. Spent two hours online reading the forums and nearly bought another tank less online. Slept on it. Woke up remembering one simple post about the same control valve motor being used by other companies. Googled the part number on the control unit (NSAE101). Found one online for $55 (Boston Heating Supply ---Sales@bostonheatingsupply.com) The part is listed as follows:
    Navien 30011532A Water Adjustment Valve It comes with a mixing valve that you need to take off and put the Eternal part in its place. Put it in and we're back in business.
    Note: YOU HAVE TO DISMANTLE THE BAD NSAE101 TO MAKE SURE YOU MATCH THE POSITION OF THE SMALL MAGNET ON THE LARGER GEAR OF THE BAD NSAE101 MOTOR CONTROL UNIT WITH THE NEW NSAE101!
    When I first removed the control unit from the mixing valve and took it apart it was full of water and the electronics were probably compromised. The control unit is two halves held together by 4 tabs. I used a small screw driver to pry the tabs back and slipped a piece of 24 gauge wire up into the slot I created when prying apart. With all 4 tabs held out by the wires, the two halves pry apart easily without breaking the tabs.
     

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    Master Plumber Mark likes this.
  3. Master Plumber Mark

    Master Plumber Mark Sensitivity trainer and plumber of mens souls

    Joined:
    Feb 6, 2005
    Occupation:
    Sensitivity trainer.. plumber of mens souls
    Location:
    indianapolis indiana - land of the free, home of
    Congrads....
    you are way above the curve as far as knowledge of fixing one of these dogs..

    hope it holds up for you




    .
     
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