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Indirect DHW on Steam System

I am in an area where there still are many steam systems. I am curious to if there is an advantage to using a steam boiler to heat the DHW through an Indirect compared to a gas power vented DHW.


  • SWEI
    SWEI Member Posts: 7,356
    try posting this

    in the Strictly Steam forum.  More specialized eyeballs on it there.
  • furnacefigher15
    furnacefigher15 Member Posts: 514
    Only real

    benefit is hot water recovery will be faster usually, and domestic production capacity is also usually higher then standard tank type heaters. The main reason is burner capacity.

    Typical stand alone water heaters have a 40,000 btu burner. An indirect will have whatever burner capacity the boiler has. (usually more then 40,000)

    Drawback is no redundancy, if the boiler fails, you have no heat or hot water.
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