SIPHONAGE W/C

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  • This topic has 3 replies, 3 voices, and was last updated 20 years ago by fourth year.
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    • #275072
      Andrew 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?

    • #291029
      fourth 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.

    • #291030
      Guest
      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.

    • #291031
      fourth 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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