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Hot water baseboard below NOWL

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Joe Plumb
Joe Plumb Member Posts: 7
in Strictly Steam
I have a client with a steam boiler and of course steam radiators on a one pipe system with gravity returns at the end of the mains which run below the slab and back to boiler via Hartford loop.

Has anyone out there ever taken a return line and incorporated a section of commercial fin tube to heat a space? My thinking is that the water is hot, returning to the boiler, so it doesn't  care how it gets there as long as it's inside a pipe. Please let me also mention we are making hot water with an internal coil. I figured if we're not making steam in the off season, there should not be a problem with heating that section of baseboard while the boiler runs on hot water demand.

Feedback please........

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  • Jamie Hall
    Jamie Hall Member Posts: 26,839
    Can't think of a good reason

    why you wouldn't get some heat out it.  As long as you made sure the whole thing stayed wet, and had a decent way to drain any low points, it should work just fine.  Only thing is, don't expect to get that much heat out of it -- and it would be almost impossible to predict, ahead of time, just how much heat you would get.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
This discussion has been closed.

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