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  • Isomac Tea Due question

    HI All. Quick question. I was about to PID my Sylvia when the option arose to buy an Isomac Tea Due, used but great nic. I'm a bit of a technical novice and wondered whether I would still have an issue with water temp with the Isomac? What I mean is, I currently temp surf the Sylvia (hence the purchase of the PID), would I still need to do this with the Isomac? Cheers, Steve.

  • #2
    The Isomac has an E61 group with a heat exchanger, completely different setup to the single boiler Silvia. From what I understand the brew temp of an E61 group can be tweaked with boiler pressure and thermosyphon restrictors.

    The Isomac also allows you to use steam at any time which is handy when making a few coffees. And the E61 looks sexy!

    Cheers

    Comment


    • #3
      It will require a cooling flush, maybe 100ml to take the overheated water out of the heat exchanger. Once you get the feel for the machine, it is easy enough to get right over and over. I tend to run water out of the double handle and wait for it to pour without spluttering, then grind, lock in and off you go.

      The Tea is nice machine without being too big, you won't regret it

      Comment


      • #4
        Originally posted by Lasanmarcomelb View Post
        It will require a cooling flush...
        I thought that the machines were now configured for this market and that they had worked on cooling flush. Still no restrictors?

        If it's still the case, and declaring my professional interest, I'd recommend the VBM Domobar Junior instead. No cooling flush required and superb internal build as well. Worth the extra $$$ IMHO.

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        • #5
          Pretty sure they do now, but if the one that's being looked at is 2nd hand, it may not have restrictor

          Comment


          • #6
            Originally posted by Lasanmarcomelb View Post
            Pretty sure they do now, but if the one that's being looked at is 2nd hand, it may not have restrictor

            I have a tea, great machine you won't regret it. Confirm cooling flush is not necessary, but I'm not sure of the year of the one you're looking at.

            Comment


            • #7
              Originally posted by Budgiesmuggler View Post
              I have a tea, great machine you won't regret it. Confirm cooling flush is not necessary, but I'm not sure of the year of the one you're looking at.
              I know which one are you talking about...selling on ebay op! I believe thats the version 1 tea due.

              Comment


              • #8
                Originally posted by kaitan View Post
                I know which one are you talking about...selling on ebay op! I believe thats the version 1 tea due.
                I had the overheating problem with my Tea II when I purchased it from a large concern in Perth but the boys at Dimattina in Perth added a restrictor when servicing the machine for me and now she is able to stand for hours with a stable temperature.

                Comment


                • #9
                  Thanks all. IF it is the v1 and I need to have a restrictor added (whatever that is) then I might just PID the silvia and see how I go with that for a while, then I think I'll save up the dollars and get an new ECM technika.

                  Comment


                  • #10
                    The "Tea" is a much more capable, consistent, and more forgiving, m/c than the Silvia.
                    Some view the heat profile of the unrestricted E61 thermosyphon ( as fitted to the Tea), as a way of setting the ideal brew temperature to suit a variety of different coffee beans. . Even if that is of no interest to you, the normal procedure of a quick flush to "set" the temperature, is quickly learned and becomes part of the routine.
                    Also, if you feel competent to install a PID, then fitting a restrictor should not be an issue to you. ?

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                    • #11
                      I always flush, it just brings the temp down although id like to look into fitting a PID to mine to help keep it constant, but in saying that its no bog deal-just fill it up more often!

                      Comment


                      • #12
                        Originally posted by blend52 View Post
                        The "Tea" is a much more capable, consistent, and more forgiving, m/c than the Silvia.
                        Some view the heat profile of the unrestricted E61 thermosyphon ( as fitted to the Tea), as a way of setting the ideal brew temperature to suit a variety of different coffee beans. . Even if that is of no interest to you, the normal procedure of a quick flush to "set" the temperature, is quickly learned and becomes part of the routine.
                        Also, if you feel competent to install a PID, then fitting a restrictor should not be an issue to you. ?
                        Hi, can you tell me what is the restrictor please? Where is it mounted?
                        I just got a second hand TEA II and was wondering about the flushing/cooling

                        TIA

                        Comment


                        • #13
                          Originally posted by soundklinik View Post
                          Hi, can you tell me what is the restrictor please? Where is it mounted?
                          I just got a second hand TEA II and was wondering about the flushing/cooling

                          TIA
                          Restrictor(s) are orifice plates fitted inside the thermosyphon tubes that connect to the group head to alter the flow rate of hot water to
                          /from the group.

                          Comment


                          • #14
                            Originally posted by blend52 View Post
                            Restrictor(s) are orifice plates fitted inside the thermosyphon tubes that connect to the group head to alter the flow rate of hot water to
                            /from the group.
                            Thanks for reply Blend,

                            is there some more info somewhere and source etc? Where can I buy them? Are they easy enough to install?

                            How do they work, by letting lesser amount of water passing through head, so not heating the head to high(er) temps?

                            Sounds very interesting.

                            TIA

                            Comment


                            • #15
                              This is the previous thread will get you more info:

                              Installing Thermosyphon restrictor <a href="http://coffeesnobs.com.au/brewing-equipment-non-machine-specific/30614-thermosyphon-restrictor-sizes-actual-location.html">Thermosyphon restrictor</a>

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