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Unusual Vintage Hydronic Radiator Set-Up

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A contractor in CO called me about the attached photo. As soon as I saw it, I remembered a discussion here about this type of system. Any one recall? Greatly appreciated!


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

Comments

  • Steamhead
    Steamhead Member Posts: 16,950
    edited July 2022
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    @New England SteamWorks , that's definitely a unique setup- it's actually called the "Unique" valve, attributed to Honeywell but it appears in a bunch of heating catalogs from that time.

    Edit- found the Museum article on this valve:

    https://heatinghelp.com/systems-help-center/honeywells-unique-valve/

    And tell the guy in CO he really should join this site!
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    mattmia2kcoppErin Holohan Haskell
  • New England SteamWorks
    New England SteamWorks Member Posts: 1,520
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    Thank you Steamhead!
    New England SteamWorks
    Service, Installation, & Restoration of Steam Heating Systems
    newenglandsteamworks.com
  • JUGHNE
    JUGHNE Member Posts: 11,095
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    I have seen pictures of these before and always wondered if they would work in CI, single pipe only rad,
    that is with no top cross connection. Maybe on one that had just a few sections.....maybe taller is better?
  • Steamhead
    Steamhead Member Posts: 16,950
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    JUGHNE said:

    I have seen pictures of these before and always wondered if they would work in CI, single pipe only rad,
    that is with no top cross connection. Maybe on one that had just a few sections.....maybe taller is better?

    Nope. The water could not circulate across the top, and the air could not escape.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • mattmia2
    mattmia2 Member Posts: 9,850
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    My friends in Detroit have a house with those. Danfoss and a few others make a valve with a lance that can replace it.