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hr
hr Member Posts: 6,106
in THE MAIN WALL
on the home? if so it must be in the bypass mode :)

Sure looks like a hard water issue. testing the water is the only way to know what you have and how to properly address it.

Also the higher the temperature in the indirect the more minerals seem to settle out.

An electric water element is a good example of how the minerals stick to a hot surface.

A deposit like that REALLY cuts down on heat transfer. They must have noticed diminishing HW output?

hot rod

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Comments

  • Paul Fredricks_3
    Paul Fredricks_3 Member Posts: 1,556
    Build Up

    Take a look at the attached photos. This is from a Triangle Tube indirect heater. I believe it was from poorly treated water. It affected everything that had hot water in it, including all the hot water pipes and fixtures in the house. We changed out the unit, a plumber is dealing with the rest.
  • Paul Fredricks_3
    Paul Fredricks_3 Member Posts: 1,556
    Oh Yeah

    Reduced output is why we were called.

    They do have water treatment and I was told it was not that it was in bypass, but that it was over treated. Don't know for what or what was used.
  • Constantin
    Constantin Member Posts: 3,796
    Hmmm...

    This is not a open-loop system is it?

    If this is closed loop, they either have had a leak (with a lot of filling) or the hardest water on the planet.
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