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Do you know what this steam contol is?

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[Deleted User]
[Deleted User] Posts: 0
in THE MAIN WALL
We ran across this vacuum controller at a school it is tied into the steam regulator.Does anyone know what is is or how it work?

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  • nugs
    nugs Member Posts: 77
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    What control?

    No picture.................................. But I'll guess its a vapor stat
  • [Deleted User]
    [Deleted User] Posts: 0
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    Added Picture Sorry

    Some how the pictures did not get attached???
  • [Deleted User]
    [Deleted User] Posts: 0
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    It is pipe to this regulator

    It is pipe to this regulator
  • Steamhead
    Steamhead Member Posts: 16,835
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    Is the regulator

    placed on the steam main at the boiler?



    If so, that control adjusts the regulator to maintain a specified vacuum. With this setup, there is vacuum in the steam mains as well as the returns. This might be a Dunham Vari-Vac or similar system.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
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