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Buffer tank addition to radiant?

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wcs5050
wcs5050 Member Posts: 131
in Radiant Heating
Customer has W-Mc Ultra boiler directly connected to radiant manifold.. with proper pro/sec piping. Would a buffer tank addition increase performance of system?

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  • Gordy
    Gordy Member Posts: 9,546
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    Is boiler over sized ? Is there zones with loads less than the minimum modulation of the ultra?
    Zman
  • wcs5050
    wcs5050 Member Posts: 131
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    Thx for the comments Gordy. Boiler is oversized, but it can be choked way back via reprogramming. I suppose the whole point of the buffer is to fight short cycling in the instance you described.
  • Gordy
    Gordy Member Posts: 9,546
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    Exactly. So if you have multiple zones, and those zones are less than min modulation then yes, or combine zones. If boiler is over sized yes. I would not expect huge savings compared to right size boiler, and well thought out zoning, but will extend life of boiler components.

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