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    Will it work? (7 Posts)

  • hairball hairball @ 11:26 PM
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    Will it work?

    Will one of the wall unit condensing boilers work with cast iron radiators?
  • kcopp kcopp @ 12:21 AM
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    You betcha...

    If it is piped to specs. Furthermore it is a match made in heaven.
  • nicholas bonham-carter nicholas bonham-carter @ 12:28 AM
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    Radiators and new boiler

    It's a perfect combination of high mass radiators, and a modern condensing boiler. However, the cheaper look-a likes from the big box store may only be water-heaters, which will not work as boilers.--NBC
  • hairball hairball @ 9:56 PM
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    Who makes the better condensing boilers?
  • hairball hairball @ 10:06 PM
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    one more thing for now

    Some of the boilers I am looking at rated by input. How will I now what the output is. Right now I have a gas conversion burner that set up with 100,000 input would the condensing burner be about the same.
  • Zman Zman @ 11:31 PM
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    Heat loss

    The only way to correctly size a boiler is to do a heat loss calc.
    The output is the input derated by efficiency.
    A 100,000 BTU boiler that is 90% efficient would have an outputĀ  of 90,000 BTU at sea level.
    Lochinvar,Triangle tube and ViesmannĀ  are some good choices.
  • hairball hairball @ 11:47 PM
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    Thanks for the help everyone.

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