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  • Gravity Heating system

    Has anyone any links to gravity CH system pipe layouts if possible which are connected to heat emitters ?
    Has anyone ever came across the term " drop pipe" in gravity CH system layouts ?
    Many Thanks.

  • #2
    Re: Gravity Heating system

    ok I'll bite.............what's a CH system? Heat emitters= radiators

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    • #3
      Re: Gravity Heating system

      I think "CH" would be central heat system connected to radiators

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      • #4
        Re: Gravity Heating system

        Yes. CH is an acronym for "central heating" where I come from.

        Can a hydronic heating system be installed using gravity circulation alone to distribute the hot water around the radiators and no pumps used ?.

        I have come across the term "drop pipe" and wondered if any of you guys had ever heard of such a term.

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        • #5
          Re: Gravity Heating system

          "Can a hydronic heating system be installed using gravity circulation alone to distribute the hot water around the radiators and no pumps used ?"

          Short answer: Sure they can, it was done all the time before circulators came on the scene. Flow control valve off the top of the boiler and pitch your pipe properly and the return in the bottom.
          "It's a table saw, do you know where your fingers are?" Bob D. 2006

          https://www.youtube.com/user/PowerToolInstitute

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          • #6
            Re: Gravity Heating system

            Originally posted by Norplumb View Post
            Yes. CH is an acronym for "central heating" where I come from.

            Can a hydronic heating system be installed using gravity circulation alone to distribute the hot water around the radiators and no pumps used ?. Yes here in D.C. lots of houses built around 1900 had gravity systems but were all high mass/large volume systems. I would not do it with a newer low mass boiler and radiators.

            I have come across the term "drop pipe" and wondered if any of you guys had ever heard of such a term. I worked with an old timer that used a term similar to that on a gravity system. "Drop leg" I think he called it. He liked to make up his own plumbing terms. Referred to the pipe coming from the high point in attic to the first radiator on the return side.
            Hope this helps

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            • #7
              Re: Gravity Heating system

              Many Thanks Gents.

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