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Radiator Identification/ Questions

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mojito
mojito Member Posts: 2
in Radiant Heating
Hi there,

just have a couple questions about this radiator system. Both pipes come out of the same side with nothing on the other side. (see attached picture). is it a one pipe or two pipe system, and is it safe to shut one of these radiators off while others in the same building are running?

thanks.




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  • bburd
    bburd Member Posts: 917
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    This is a two pipe system.

    Yes, it is safe to shut individual radiators off.

    Is this a steam or hot water system? Is there an air vent of any kind on the radiator? Probably on the other end.
    —
    Bburd
  • mojito
    mojito Member Posts: 2
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    it does have a small sort of set screw/ valve on the top/side of the fins (same end as the pipes) which releases air when unscrewed?


  • bburd
    bburd Member Posts: 917
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    That type of vent is generally used on hot water rather than steam systems.
    —
    Bburd
  • Jamie Hall
    Jamie Hall Member Posts: 23,324
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    That is almost certainly a hot water system, and yes you can shut the valve off. It looks as though it hasn't been used for a while, though, so when you shut it off you may well find two things: first, it won't shut off tight and second, it will probably leak around the valve stem. Just so you know...
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
    Canucker

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