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Radiator with a single pipe

octav
octav Member Posts: 1
in Domestic Hot Water
PXL_20241221_064538700.jpg

I saw a video about Honeywell's Unique Valve, but not sure how this works. There's only one pipe coming out of the floor. Does it have an inner pipe, or essentially two pipes inside? Does it alternate being an inlet and outlet pipe?

Mad Dog_2

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Comments

  • Mad Dog_2
    Mad Dog_2 Member Posts: 8,078

    It looks like you have one pipe steam. The unique valve was for gravity hot water systems I believe. Does that radiator (gorgeous by the way) have an air vent on it? Mad Dog

    Consulting by Mad Dog & Matt Jr.
  • Mad Dog_2
    Mad Dog_2 Member Posts: 8,078

    Better yet, what is your goal here? Mad Dog

    Consulting by Mad Dog & Matt Jr.
  • 109A_5
    109A_5 Member Posts: 2,391

    Hello octav,

    Your picture is most likely a 'One Pipe' system, steam flows in and the condensate (water) flows out at the same time in the same pipe. Just like cars on the same street can travel both ways.

    Honeywell's Unique Valve video.

    National - U.S. Gas Boiler 45+ Years Old
    Steam 300 SQ. FT. - EDR 347
    One Pipe System

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