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New England SteamWorks
New England SteamWorks Member Posts: 1,505
in Strictly Steam
Customer says it has never heated...






New England SteamWorks
Service, Installation, & Restoration of Steam Heating Systems
newenglandsteamworks.com

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  • mattmia2
    mattmia2 Member Posts: 9,639
    edited September 2022
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    Is there a way to make that work without adding a drip to a wet return?

    I guess you could put a water seal trap in one of the runouts and put a vent on that end.
  • JUGHNE
    JUGHNE Member Posts: 11,061
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    Or start with steam vents??
    mattmia2New England SteamWorks
  • mattmia2
    mattmia2 Member Posts: 9,639
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    JUGHNE said:

    Or start with steam vents??

    You still need to control how the steam enters, you need to make it prefer one lateral over the other somehow so it will reach the rest of the radiator before it reaches the vent.
  • JUGHNE
    JUGHNE Member Posts: 11,061
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    I have seen one of these CI BB's in the field.

    Are they a U shaped tube inside? Is the end we do not see tied together as a return bend?
  • Phil53
    Phil53 Member Posts: 73
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    Just needs a steam trap or vent to make it work I think.
  • Phil53
    Phil53 Member Posts: 73
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    It's set up for hot water but these can be used for hot water or steam.

  • Gsmith
    Gsmith Member Posts: 431
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    Those look like hygroscopic valves, which are supposed to close when the moisture in the steam gets to the little discs inside them, and which can work with steam but don't always. I have along (about 10 feet) similar cast iron baseboard connected at both ends similar to yours and it works fine. I did find it works better and gets hot all the way across when I used conventional adjustable radiator air valves like Vent-rite #1 adjustable valves (use the right angle kind on each end set them to slow setting--a low number on the dial) use a faster radiator vent valve in the center set slightly faster than the ends. you may have to experiment a bit with the settings so the steam goes to the top center vent which then closes and then the steam will go out the end vents there by fully heating the baseboard. You may also have to make up nipples, or 90 deg bends to get the vent to be able to be connected and oriented properly.
    Long Beach Ed

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