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Downfeeding steam radiators

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jjheat
jjheat Member Posts: 35
I have a new client that has several buildings with 2 pipe steam. 1 building has offices in the basement with downfeed steam convectors. The "expert' in the area told them they could downfeed radiator with no drip leg on the supply and tie the condensate into the existing wet return. I know this is wrong, but how should it be done?

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  • gerry gill
    gerry gill Member Posts: 3,078
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    and if someone turns off the convector

    valve, the riser will fill up with water....if the radiator trap fails closed, the riser fill up with water..seems to me the base of the riser should be dripped with an f&t by itself..
    gwgillplumbingandheating.com
    Serving Cleveland's eastern suburbs from Cleveland Heights down to Cuyahoga Falls.

  • Jamie Hall
    Jamie Hall Member Posts: 23,565
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    Perhaps a stupid question, Gerry...

    but if there is a wet return and it really is wet, couldn't one just continue that riser right on down to the wet return?  Do you really need a trap there in this situation?
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • gerry gill
    gerry gill Member Posts: 3,078
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    absoluetly,

    if there is a real wet return, no riser trap needed..sorry, that scenario escaped me..
    gwgillplumbingandheating.com
    Serving Cleveland's eastern suburbs from Cleveland Heights down to Cuyahoga Falls.

This discussion has been closed.