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Old TRV

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Dan Foley
Dan Foley Member Posts: 1,258
in Strictly Steam
I saw this one today on a vapor system in Alexandria VA. I’ve never seen this one before.
Turbo Dave

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  • DanHolohan
    DanHolohan Member, Moderator, Administrator Posts: 16,528
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    Nice find!
    Retired and loving it.
    Dan Foley
  • Hap_Hazzard
    Hap_Hazzard Member Posts: 2,846
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    Am I the only one who's dying to know what's behind that panel?
    Just another DIYer | King of Prussia, PA
    1983(?) Peerless G-561-W-S | 3" drop header, CG400-1090, VXT-24
    mattmia2
  • Steamhead
    Steamhead Member Posts: 16,843
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    Hap_Hazzard said:

    Am I the only one who's dying to know what's behind that panel?

    Nope! The basement too!
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    Hap_Hazzard
  • clammy
    clammy Member Posts: 3,112
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    I ran into a system in Patterson nj that was full of them . They where on both radiators and wall convectors it was a 2 pipe system w the original burmham still sitting in a old mech room .As far as I saw most worked the place was a nightmare w aside from the original boiler there where two old oil boiler one which was removed to install a drastically oversized smith w the cheapest power burners no staging .i believe the original building was early 1900 with a huge bank addition added w safety despoiting boxes and a huge safe like something out of James Bond . Forgot about that place it needed mega work had some neato inverted bucket trap set ups w radiator traps mounted above to increase air venting they where all clogged pulled them apart and flushed piping worked like a charm . I lost the pics I thought I may have posted then long ago Peace and wood luck clammy
    R.A. Calmbacher L.L.C. HVAC
    NJ Master HVAC Lic.
    Mahwah, NJ
    Specializing in steam and hydronic heating
  • clammy
    clammy Member Posts: 3,112
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    The wall convectors just had a capillary tube that ran to the head they where in the main lobby of the origiinal building and on the rest of the building had radiators and they had what could easily be seen as a bellows and actuator body my guess the original system was a vapor . The original building was 4 or 5 stories I believe it on the corner of main and market st .
    R.A. Calmbacher L.L.C. HVAC
    NJ Master HVAC Lic.
    Mahwah, NJ
    Specializing in steam and hydronic heating
  • Dan Foley
    Dan Foley Member Posts: 1,258
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    The house was built in 1915. We replaced the boiler about 5 years ago.
  • Dan Foley
    Dan Foley Member Posts: 1,258
    edited December 2019
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    The old water cooled chiller system is still in the basement.
  • Dan Foley
    Dan Foley Member Posts: 1,258
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    I was not able to determine what this is? The copper tube next to the trap. I will dig deeper when I go back. This was the only radiator that had this.
  • JUGHNE
    JUGHNE Member Posts: 11,062
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    Is it a tube or a solid rod. If rod could control a valve in the basement?
    Gordo
  • Dan Foley
    Dan Foley Member Posts: 1,258
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    I was pushed for time. I will be going back next week. I will take a closer look and post pics from below.
  • Gordo
    Gordo Member Posts: 857
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    @Dan Foley I may have some replacement handles for that "HSCo" valve pictured above. Give me a call.
    All Steamed Up, Inc.
    "Reducing our country's energy consumption, one system at a time"
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Baltimore, MD (USA) and consulting anywhere.
    https://heatinghelp.com/find-a-contractor/detail/all-steamed-up-inc
  • Dan Foley
    Dan Foley Member Posts: 1,258
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    Thanks, Gordo.

    I will call you Monday.
    Gordo
  • JUGHNE
    JUGHNE Member Posts: 11,062
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    Did you check out the mystery pipe/control rod?
  • Dan Foley
    Dan Foley Member Posts: 1,258
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    @ JUGHNE

    I’m going back on Friday. I will have more time to investigate and take pictures.
    JUGHNE

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