SIPHONAGE W/C

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    • 13 Jul 2001 at 5:02 pm #275072
      Avatar photoAndrew Kawalewski

        I WAS CALLED TO ATTEND TO TWO SIPHONAGE TYPE W/C.WHEN FLUSHED THE WATER RISES AND TAKES A LONG TIME TO GO DOWN.I HAVE CHECKED AND CONFIRM THAT THERE IS NO BLOCKAGE.HOWEVER I NOTICE THAT THE W/C ARE NOT CONNECTED TO ANY VENTILATIONS PIPE.CAN SIPHONAGE TYPE W/C WORK WITHOUT VENT PIPES?

      • 14 Jul 2001 at 8:52 pm #291029
        Avatar photofourth year
        Participant

          All toilets work by siphonage. They also work better without a vent. But if there is no vent and the sewer line is partially obstructed, then they will not flush at all.

        • 15 Jul 2001 at 12:22 pm #291030
          Avatar photoGuest
          Participant

            Pull out the pans and check there is no blockage inside the throat of the pan.
            A lot of the asian countrys use true syphon, the bowl fills then syphons the bowl clean.
            It must be a blockage of some form since I assume the wc has been working until not long before you we called in.

          • 16 Jul 2001 at 1:46 pm #291031
            Avatar photofourth year
            Participant

              WE used to call them “Washdown” bowls and they have been extinct for many years in the U.S.

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