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One Pipe Vacuum System

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jrinaldi72
jrinaldi72 Member, Email Confirmation Posts: 1
edited November 2020 in THE MAIN WALL
I just bought a house and noticed that there is a Hoffman No 16 vacuum valve on the main but the radiators have newer conventional air vents. Is it possible to convert the original vacuum system to a non-vacuum system with no loss of efficiency of do I need to buy all new vacuum vents for the radiators?

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 19,591
    As far as I know vacuum vents are no longer sold, so yes it basically is already converted
  • Fred
    Fred Member Posts: 8,542
    jrinaldi72 said:

    I just bought a house and noticed that there is a Hoffman No 16 vacuum valve on the main but the radiators have newer conventional air vents. Is it possible to convert the original vacuum system to a non-vacuum system with no loss of efficiency of do I need to buy all new vacuum vents for the radiators?

    If it is a one pipe system, it is very unlikely it was ever a Vacuum system.

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