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triangle tube comfort indirect water heaters

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Eastman
Eastman Member Posts: 927
in THE MAIN WALL
Has anyone used a Comfort 45 or 55 indirect water heater as a combination water heater and buffer?

The extra large boiler water capacity seems like it was intended for buffer applications. There's a technical pdf drawing documenting this application linked here:
https://www.acv.com/asset-file/f1f2f2a7cbcb4a98ae90da0a9390df22

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  • furnacefigher15
    furnacefigher15 Member Posts: 514
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    They dont show that piped as a buffer tank. Looks piped in typical configuration
  • Eastman
    Eastman Member Posts: 927
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    It's pretty clear to me that the "mirco" zones are intended to be buffered by the indirect water heater in that drawing.
  • BPH
    BPH Member Posts: 39
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    Interesting TT has moved the boiler pump from pumping into the boiler to pumping away.
  • Eastman
    Eastman Member Posts: 927
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    Why is that intriguing?
  • BPH
    BPH Member Posts: 39
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    Well. Because TT 's original installation manual for the challenger showed the boiler pump pumping into the hx now it shows it pumping away. I'm sure you' were aware of this? Correct?
  • Eastman
    Eastman Member Posts: 927
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    I was not.

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