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Does anyone know what this is, please?

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  • Does anyone know what this is, please?

    [img][/img]

    Ive just descaled my Rancilio Silva and run through 2 tanks of flushing water and noticed that when I switch off the pour there is a residual flow through this black tube thing.  I recognise the electrical component as a Parker solenoid valve and wonder if it is malfunctioning - just cant understand why the black cigar thing exists there is a delay is shut off and why is there excess water .... and why is there a black tube thing if it is just excess run off ... etc etc etc

    So I now have about 15 ml of excess water after every pour

    any ideas appreciated

    thanks


    [img][/img]


  • #2
    Re: Does anyone know what this is, please?

    That is the three-way solenoid valve. After you finish pouring the espresso and turn off the pour switch, the excess water pressure is diverted via the valve, and drains into the drip tray. This way, you can release the group handle and not have excess water and coffee grounds spray all over you

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    • #3
      Re: Does anyone know what this is, please?

      Many thanks ....  so the overflow of 10-15ml is normal?  So the black cigar is just a sophisticated drain pipe?

      thanks again!

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      • #4
        Re: Does anyone know what this is, please?

        Yes, and yes

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        • #5
          Re: Does anyone know what this is, please?

          thanks all ..... the drain pipe can stay!

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          • #6
            Re: Does anyone know what this is, please?

            Lucky drain pipe! ;D funny thread! ;D

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            • #7
              Re: Does anyone know what this is, please?

              Originally posted by 585C7A636366796E610F0 link=1269309551/5#5 date=1269325909
              Lucky drain pipe! ;D funny thread! ;D
              ROFLMFAO...   Just remember as this gets older, the volume of the drips get smaller and more of a trickle..

              I guess I should be lucky that my drain pipe is still with me...

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              • #8
                Re: Does anyone know what this is, please?

                hate that residual drip when you switch off - hope it doesnt become a talking point!

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