Ecosmart Low Water Pressure

Discussion in 'Tankless Water Heater Forum' started by Curtis Cecil, Feb 13, 2021.

  1. Curtis Cecil

    Curtis Cecil New Member

    Joined:
    Feb 13, 2021
    Location:
    AZ
    So I had the tankless water heater for at least 5 years and it's been working great. Recently the water hasn't been as hot so I went through the troubleshooting steps from Ecosmart 27 tankless water heater. The heating elements all tested good so the guide pointed me to scale build up. I took everything apart, cleaned it with vinegar and reassembled the unit.
    That's when I started to have low pressure problems at the sinks and showers. I took it all apart and thought maybe there's debris stuck somewhere and used a pair of finger grabbers to try to find anything in the heat exchangers but nothing was there. I put vinegar in the heat exchangers for about 3 hours and reassembled everything.
    Started to run all the faucets and lots of junk coming out but still low water pressure. Does anyone have any ideas on what I can try before giving in and calling a plumber which will probably cost me an arm and leg to diagnose the problem?
     
  2. Bannerman

    Bannerman Well-Known Member

    Joined:
    Mar 19, 2014
    Location:
    Ontario, Canada
    From your description, it does not seem as though you utilized a pump to circulate the vinegar solution.

    Here is one of many kits that are utilized for descaling a tankless. The vinegar solution will be usually circulated through the WH for at least 1 hour, but as the unit has not been descaled for 5 years, multiple sessions may be required using fresh solution for each session.

    https://www.homedepot.com/p/Eccotem...NSI-60-Certified-Descaler-Kit-EZKIT/301356674

    Unless a water softener is utilized to remove the minerals that cause scaling, the minimum descaling requirement is typically yearly,
     
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  4. Curtis Cecil

    Curtis Cecil New Member

    Joined:
    Feb 13, 2021
    Location:
    AZ
    Well a water softener was put in about in the 2nd year of use. Also when I had the tankless water heater installed I had an Aqua Crest scale inhibitor installed in the water line. So it's not that there should be a lot of scale at all but for some reason I lost alot of water pressure.
     
  5. Curtis Cecil

    Curtis Cecil New Member

    Joined:
    Feb 13, 2021
    Location:
    AZ
    Time to call a plumber. Thanks for all the help!
     
  6. fitter30

    fitter30 Well-Known Member

    Joined:
    Feb 2, 2020
    Occupation:
    Retired service tech
    Location:
    Peace valley missouri
    Have checked faucet aerators? Is there a screen entering water?
     
    Last edited: Feb 15, 2021
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