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  1. #1
    Join Date
    Mar 2007
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    Chicago, IL
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    Default Identifying Stream Systems

    Condo in 30 unit 1920s vintage building. Two pipe system at radiators, no access to boiler. It's June, heating system not running. How can I determine if this has been converted to a hydronic, or remains a steam system?

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  2. #2
    Brian E Kelly's Avatar
    Brian E Kelly Guest

    Default Re: Identifying Stream Systems

    One way is the return condensate piping should go directly into boiler and the steam boiler the piping goes into a type of loop. Also the vents on the radiators should have a different vent and most important is the steam boiler has a sight glass to see the water level in the boiler. If you have a photo post and I can look at it better.


  3. #3
    Join Date
    Mar 2007
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    Default Re: Identifying Stream Systems

    "no access to boiler"


  4. #4
    Join Date
    Mar 2007
    Location
    Ridgewood, NJ
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    237

    Default Re: Identifying Stream Systems

    If it's a 2 pipe steam system, there is no air vent on the radiator. You will see a steam trap at the base of the radiator at the pipe. (Link to steam trap)
    The hydronic system will have a air bleeder valve at the top of the radiator.


    MarshSteam.com - Marsh Steam Traps


  5. #5
    Join Date
    Mar 2007
    Location
    Chicago, IL
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    Default Re: Identifying Stream Systems

    Thanks. I was aware of looking for the thermostatic traps, and of the fact that that on a two pipe steam system the inlet pipe is usually at the top of the radiator. But around here a lot stream systems ave be converted to hydronic, and I was just wondering if anyone could think of any other way to tell if that has happened without access to the boiler - for example, will a converted system function if the TTs remain in the system?


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