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Thread: Oscar II

  1. #51
    Senior Member trentski's Avatar
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    Quote Originally Posted by K_Bean_Coffee;
    For a 2L boiler, initial heat up costs of 20-30c and idling costs of approx 10-15c per hour would be ballpark figures. Nothing to worry about


    Cheers, Paul
    Says the man with a solid gold tamper
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  2. #52
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    Quote Originally Posted by trentski View Post
    Chris has nailed it i think. Coarsen your grind, Aim for 5 seconds before you see coffee and 50-60ml in 30 ish seconds.

    Hi Trentski

    when you sayaim for 5 seconds before you see coffee do you mean from when button is pushed or after pump kicks in after preinfusion phase?

    It not a big big difference but wanted to check.

    thanks

    Martin

  3. #53
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    Hi Shane

    i normally leave machine on for 20+ minutes before use only do to my routine of a morning. Have used after 10 and a few flushes was more then ready.

    loving my oscar 2 pretty quite considering and the steam power is awesome, so easy to get great milk.
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  4. #54
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    Thanks everyone for the help I'm starting to get better shots, refining my dosing. Got a set of scales coming so I can be more consistent while learning as having issues adjusting the grind and getting dose consistence.
    not sure if it's something that matters but when I find my Stainless screw collection I'll change the shower screen screw over to a countersunk one as noticed that the bolt head leaves a big indent / hole in the coffee puck before I pull a shot as sits so far below the screen.
    beans were 4 weeks old mocopan beans now 6 weeks old, got new beans from online supplier (Costa Rica Tarrazu) but they were roasted Tuesday so think are a bit fresh still.

  5. #55
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    Just wanted to give a HUGE shoutout to Antony from Casa Espresso for helping me out with a new machine and grinder, I ended up getting the Oscar II and Macao M4D, the coffee from this machine is as good as any coffee I've brought from a cafe so happy with everything.IMG_1325.JPG
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  6. #56
    Senior Member matth3wh's Avatar
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    Oscar II

    They look good together on the bench. Just add some quality fresh roasted coffee and it's coffee bliss
    Enjoy!

    If you're starting out I highly recommend a Pallo grouphead brush for quick cleaning after making your coffees.
    It and the blank filter basket supplied with your machine helps your machine stay cleaner and coffee tasting great day after day.
    Attached Images Attached Images
    Last edited by matth3wh; 10th April 2017 at 01:36 PM.
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  7. #57
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    Quote Originally Posted by matth3wh View Post
    They look good together on the bench. Just add some quality fresh roasted coffee and it's coffee bliss
    Enjoy!

    If you're starting out I highly recommend a Pallo grouphead brush for quick cleaning after making your coffees.
    It and the blank filter basket supplied with your machine helps your machine stay cleaner and coffee tasting great day after day.
    thats the next thing I need to do get some fresh coffee beans and yes they got great together I'm very happy with my purchase.
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  8. #58
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    Quote Originally Posted by K_Bean_Coffee View Post
    Hi Shane.
    A while back a forum member did some calculations. For a 2L boiler, initial heat up costs of 20-30c and idling costs of approx 10-15c per hour would be ballpark figures. Nothing to worry about
    Use the search function to see if you can find the old thread.
    Cheers, Paul
    much appreciated, this place rocks👍
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  9. #59
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    Quote Originally Posted by Mb21 View Post
    Hi Shane

    i normally leave machine on for 20+ minutes before use only do to my routine of a morning. Have used after 10 and a few flushes was more then ready.

    loving my oscar 2 pretty quite considering and the steam power is awesome, so easy to get great milk.

    Thanks mb21

  10. #60
    Site Sponsor Casa Espresso's Avatar
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    Quote Originally Posted by Amandajayne View Post
    Just wanted to give a HUGE shoutout to Antony from Casa Espresso for helping me out with a new machine and grinder, I ended up getting the Oscar II and Macao M4D, the coffee from this machine is as good as any coffee I've brought from a cafe so happy with everything.IMG_1325.JPG
    Hi Amandajayne,

    Not a problem at all.

    Shows the strength of this forum that you were able to use it as a resource to help solve a problem

    All the best

    Antony
    CASA ESPRESSO
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  11. #61
    Site Sponsor Casa Espresso's Avatar
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    Hello all,

    We have had our hands on the Oscar II for a few months now and it performs really well straight out of the box.
    http://www.casaespresso.com.au/domes...simonelli.html

    There are a few small things that we have improved on from factory that we have offered our customers.

    One thing we have been working on is our own proprietary OPV kit. This kit will allow the user fine tuning of their extraction pressure. Whilst its not a necessity it will just make this machine a little bit more user friendly.

    In the previous model Oscar we used to fit an "anti vac valve" to almost everyone that went out the door. Now the Oscar II has an anti vac valve as standard.... maybe in the future the OPV will be standard from the factory.

    We will of course be offering full factory warranty on any machine fitted with our OPV.

    Cheers

    Antony
    www.casaespresso.com.au
    Last edited by Casa Espresso; 26th April 2017 at 04:48 PM.

  12. #62
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    Quote Originally Posted by Casa Espresso View Post
    Hello all,

    We have had our hands on the Oscar II for a few months now and it performs really well straight out of the box.
    http://www.casaespresso.com.au/domes...simonelli.html

    There are a few small things that we have improved on from factory that we have offered our customers.

    One thing we have been working on is our own proprietary OPV kit. This kit will allow the user fine tuning of their extraction pressure. Whilst its not a necessity it will just make this machine a little bit more user friendly.

    In the previous model Oscar we used to fit an "anti vac valve" to almost everyone that went out the door. Now the Oscar II has an anti vac valve as standard.... maybe in the future the OPV will be standard from the factory.

    We will of course be offering full factory warranty on any machine fitted with our OPV.

    Cheers

    Antony
    www.casaespresso.com.au

    Hi Anthony

    You meantion a few small things apart from the OPV are you able to let us know what the other improvements are?

    Can the OPV be supplied as a kit so can be DIY installed?

  13. #63
    Site Sponsor Casa Espresso's Avatar
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    Quote Originally Posted by Mb21 View Post
    Hi Anthony

    You meantion a few small things apart from the OPV are you able to let us know what the other improvements are?

    Can the OPV be supplied as a kit so can be DIY installed?
    Yes we are designing the OPV kit as an item that can be installed DIY. It will come with instructions on how to do this.

    I will send you a PM with the other things we do......

    Cheers

    Antony
    Casa Espresso - Home

  14. #64
    Senior Member matth3wh's Avatar
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    Might interest people down the track but I came across a video on draining the boiler on the Oscar II...

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  15. #65
    Site Sponsor Casa Espresso's Avatar
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    Hello all,

    We have had a few people ask about OPV kits for the Oscar II.

    We now have our kit available and ready to go. Can be self installed relatively easily (instructions supplied) or can be done by your local friendly coffee tech.

    Feel free to call or PM for details

    Cheers

    Antony
    (03) 95308992
    Casa Espresso - Home
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  16. #66
    Senior Member matth3wh's Avatar
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    I'll give you a call Antony... wondering if it will be similar to the PDF Elektros instructions I came across here
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  17. #67
    Site Sponsor Casa Espresso's Avatar
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    Oscar II

    A couple of our Oscar II OPV kits have already gone out to some happy customers. We can also fit to new machines and offer full warranty, along with a couple of our other custom Oscar II mods .
    Call or PM for details

    Casa Espresso
    http://www.casaespresso.com.au/domes...age-deals.html

  18. #68
    Senior Member matth3wh's Avatar
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    Oscar II

    I've finally stopped procrastinating and have installed my Oscar II OPV kit from Antony @ Casa Espresso. Be interested to hear other's feed back so far. Those who have the OPV fitted.

    So I've finally gotten around to using my day off to install the OPV kit and I'm not sure why I didn't do it sooner. I probably thought it might take longer than it actually did or that I'd be interrupted by some family activity in the middle of pulling the panels off. (tick)

    So far I've liked the few post OPV kit coffees more. I will do some more extensive coffee making sessions tomorrow afternoon and on Sunday. My wife said before and after coffees tasted good.

    Some initial thoughts on pulling apart the Oscar II. It's easy to access everything inside the case and seems like a really sensible layout and decent construction for the money.

    Having previously looked inside a Silvia, Bezzera BZ02, Magica and La Marzocco Linea Mini the Oscar II felt spacious in comparison (yeah yeah, LM LM is packed with lots more goodies).

    Thinking of previous descaling discussion it was really super quick and easy to get the machine to a point where you can drain the boiler with the right hex key.

    Anyway, here's to more tasty coffees.

    Some pics of the OPV upgrade and the hood off...

    BEFORE





    THE OPV MAGIC





    AFTER






    STILL MAKES COFFEE



    And hot chocolates...

    Last edited by matth3wh; 11th August 2017 at 10:08 PM.

  19. #69
    Senior Member matth3wh's Avatar
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    A poll question for other Oscar II owners... how long before the "click" and your coffee drips down?

    I'm talking about your pre-infusion time that is...

    I've wondered about the pre-infusion time on my machine as it has always been quite long out of the box. The pre-infusion has always been about 10-12 seconds. I'll get some video up about it.

  20. #70
    Senior Member matth3wh's Avatar
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    More tasty coffees coming out of Oscar II...




  21. #71
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    Quote Originally Posted by matth3wh View Post
    A poll question for other Oscar II owners... how long before the "click" and your coffee drips down?

    I'm talking about your pre-infusion time that is...

    I've wondered about the pre-infusion time on my machine as it has always been quite long out of the box. The pre-infusion has always been about 10-12 seconds. I'll get some video up about it.
    For me using 18.5g dose in standard NS double basket and naked portafilter.
    click happens at 3 seconds after pressing button and coffee show on bottom of basket aroun 5-7 seconds (from button pressed) and coffee starts to drip from basket to cup 8-12 seconds (from button pressed).
    hthats for a good to great coffee. I've had longer (15 seconds +) to first drips but was very restricted shot.
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  22. #72
    Senior Member matth3wh's Avatar
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    Oscar II

    Just been tasting espresso shots post OPV kit upgrade. Definitely tasting better. Richer flavours. Syrupy. Like back in the e61 days.

    Won't be able to sleep now.
    Last edited by matth3wh; 12th August 2017 at 10:37 PM.

  23. #73
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    How do you use the oscar 2 in manual mode, when there's no dedicated button? Do you hold in one of the single / double buttons?

  24. #74
    Senior Member matth3wh's Avatar
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    Oscar II

    Hi iampivot. I don't think that mode exists. If it does then I'd like to know too. (Beyond what I describe below...)

    To program the buttons you hold down the right button for 10 seconds and then press the button you'd like to set the timing for... that starts the pump and you press the same button again to stop the shot and lock in that timing to that particular button.

    "manual mode" is if you do that process from scratch each time. Or via the setup below.

    See mb21's example of setting the buttons ... one button you might set for a short 5 second flush. The other button is set for a long timed shot - say 50 seconds. You press to start the long timed shot and then press again at any stage before the end of the time to stop the shot.

    Hope that made sense.
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  25. #75
    Senior Member matth3wh's Avatar
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    Oscar II

    Straight from Nuova Simonelli...


    I've even thrown in a free doppio espresso shot



    Tanzania AA 18.8g in and 40g out in about 26 sec (after click and slight ramp up)

    18g VST basket.
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  26. #76
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    Hi Matt
    any idea why when setting the program of each button the manual says to do with coffee in the basket?

    That doppio looks nice, 26 seconds from button pressed, click after 3 seconds or coffee starting to drip?
    What type and size baskets are you using? From memory thought you told me previously that your using VST baskets but not sure what size.

  27. #77
    Senior Member matth3wh's Avatar
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    Oscar II

    Speculation:
    It could well be that the instructions were taken directly from the Musica and that fits with a volumetric based dose.

    But probably just more to get a set timing right with a set amount of coffee in the basket.

    Of course with timed buttons you may want to go longer some times and that then creates a limitation. Like when you change over to new beans.

    Adjusted post with VST 18g
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  28. #78
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    So seems the expansion valve (part number 98120001), also listed as a neplax viton valve, is leaking / allowing water to pass during pulling a shot. I first noticed when could hear water trickling into the drip tray while pulling a shot. I took the top cover off and confirm that water is passing through the valve while pulling a shot.

    machine is only 6 odd months old. Is this a easy fix such as something partially old valve open so needs a clean or do I need to replace the whole valve assembly?

    anyone else had this issue with their oscar 2?

    thanks

    Martin

  29. #79
    Site Sponsor Casa Espresso's Avatar
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    Quote Originally Posted by Mb21 View Post
    So seems the expansion valve (part number 98120001), also listed as a neplax viton valve, is leaking / allowing water to pass during pulling a shot. I first noticed when could hear water trickling into the drip tray while pulling a shot. I took the top cover off and confirm that water is passing through the valve while pulling a shot.

    machine is only 6 odd months old. Is this a easy fix such as something partially old valve open so needs a clean or do I need to replace the whole valve assembly?

    anyone else had this issue with their oscar 2?

    thanks

    Martin
    Hi Martin,

    Valve failure so early is most likely some residue in the valve seat, preventing it from sealing.

    It sometimes doesn't take much, maybe some impurity in the water supply or some residue in the machine. Generally dismantling the valve and reseating will fix this.

    Give me a call if needed. (03) 9530 8992

    Cheers

    Antony
    www.casaespresso.com.au
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  30. #80
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    Thanks Antony

    ill have a look at the valve and see if can get sorted, appreciate the help.

    cheers

    martin
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  31. #81
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    My Oscar 2 seems to have developed more and more flash boiling of water from the group if left ideal for more then 5 minutes over the past few months. Is it in need of a tune up (boiler turned down - no issue here has tonnes of steam!) or could I have scale build up somewhere restricting flow in HX circuit (guessing here)
    thanks
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  32. #82
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    Any help with my above post people?

  33. #83
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    Sounds like a pressurestat issue. May be worth having a tech look at it. Is it still under warranty?

  34. #84
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    12-13 months old so no warranty. I’ll have a look to see if anything noticeable but proberly time for a service anyway

  35. #85
    Site Sponsor Casa Espresso's Avatar
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    Quote Originally Posted by Mb21 View Post
    12-13 months old so no warranty. Iíll have a look to see if anything noticeable but proberly time for a service anyway
    Hi Matt,

    12 month service defiantly due. The service agent will have be able to diagnose what the issue is.

    Cheers
    Antony

  36. #86
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    Plenty of room on the front panel for a dual pointer gauge!

  37. #87
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    Got a couple of questions for owners and sponsors:
    1. Would a Pullman or other 18-20g basket work the the standard Portafilter?
    2. Can I buy a self install OPV kit that is easy to install?

    Appreciate your assistance!

  38. #88
    Site Sponsor Casa Espresso's Avatar
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    Hello Garius,

    Yes the Pullman basket will fit. I actually think the Pullman is a rebranded IMS or VST.

    We have OPV kits that we can fit for you on purchase or they are available as a kit only with fitting instructions.

    Regards

    Antony

  39. #89
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    Excellent. Thanks for the reply Antony. Sent a PM for the kit purchase.

  40. #90
    Senior Member matth3wh's Avatar
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    Oscar II

    This video popped up on YouTube a few days back on installing the OPV in Oscar II.

    Hope it helps.

    Last edited by Javaphile; 2 Weeks Ago at 11:19 PM. Reason: Fixed link
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  41. #91
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    Thanks matth3wh. I'm guessing casa espresso opv would be similar to install. I get the basics though.
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  42. #92
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    Hi all, I am seriously considering the Oscar 2 as my next machine as I think it will meet my needs without destroying the family finances.

    In my research however I haven't come across anything about descaling the Oscar 2. Even the manual doesn't talk of a descale and it would seem that there is no "cleaning cycle" built into the machine programs. Reading any of these forum threads on just about any machine people talk about the importance of recurring maintenance and the need for a regular descale.

    So how is this tackled with the Oscar 2?

  43. #93
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    Hi mattm14

    post 64 if the thread shows a video of the drain plug on the left side of the boiler that makes descaling process easier but best option is to use quality water filtration and descaling won’t really be needed. You’ll find a good how to guide on HX declscaling on TalkCoffee website but it’s one of those jobs that unless you really know what your doing best left to someone that does. Cleaning cycle isn’t really needed IMO.
    general cleaning is flush group to wash off old grounds after each shot, backflush after each coffee making session to keep internal clean and then backflush using a backflush detergent day monthly depending on level of use.
    service every 12 or so months to replace group seal and other possiblly worn parts if not competent doing so.
    Depending on where you live visit or call Antony from Casa Espresso, has been really helpful to me in the past and if purchase from him can install an adjustable OPV kit to improve the machine for little cost.
    frel free to send me PM if have questions re the Oscar II as had one for last 15 months.
    cheers
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  44. #94
    Site Sponsor Casa Espresso's Avatar
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    Quote Originally Posted by Mattm14 View Post
    Hi all, I am seriously considering the Oscar 2 as my next machine as I think it will meet my needs without destroying the family finances.

    In my research however I haven't come across anything about descaling the Oscar 2. Even the manual doesn't talk of a descale and it would seem that there is no "cleaning cycle" built into the machine programs. Reading any of these forum threads on just about any machine people talk about the importance of recurring maintenance and the need for a regular descale.

    So how is this tackled with the Oscar 2?
    Hi Matt,

    Sometimes the terminology used between machines can be confusing.

    Descaling on an HX machine is something that is not often needed if the water quality and a filtration system is used.

    It may be required every 4 to 5 years and there is a process we can show you to drain the boiler and what needs to be done.

    If you have been looking at more "appliance " style machines they may refer to a process known as descaling which on an Italian HX machine is back flushing either with or without a cleaning compound like Cafetto.

    Basic back flushing and then cleaning with Cafetto is your maintenance program.


    Feel free to contact me if needed.

    If you are considering the Oscar i would highly recommend our OPV upgrade kit.

    Cheers

    Antony
    www.casaespresso.com.au
    Last edited by Casa Espresso; 1 Week Ago at 11:43 AM.

  45. #95
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    Thanks Mb21 & Casa appreciate the response.

    So does the Oscar II come with a blind filter for back flushing? I don't recall seeing one in the parts break down in the manual (but I wasn't looking for it at the time so may well have been there).

    Re the OPV kit - Sounds good but let me get the machine first and see how I go with that

  46. #96
    Site Sponsor Casa Espresso's Avatar
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    Quote Originally Posted by Mattm14 View Post
    Thanks Mb21 & Casa appreciate the response.

    So does the Oscar II come with a blind filter for back flushing? I don't recall seeing one in the parts break down in the manual (but I wasn't looking for it at the time so may well have been there).

    Re the OPV kit - Sounds good but let me get the machine first and see how I go with that
    We supply our Oscars with a blind filter, cleaning brush, Cafetto cleaning compound along with a bench test and boiler prime.

    Feel free to contact me with any questions

    Regards

    Antony
    (03) 9530 8992
    www.casaespresso.com.au

  47. #97
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    OPV kit made the machine more user friendly / more forgiving. Kit as supply is $90 (excluding postage) or $120 if purchased with machine. Keep in mind if buy the kit and you fit it you’ll need a pressure gauge to measure the group pressure so it adds more to it. Gee sound like I’m selling it sorry but think the $120 is worth it
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  48. #98
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    Will the opv kit fit the musica too?

  49. #99
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    Oscar II

    Quote Originally Posted by Jackster View Post
    Will the opv kit fit the musica too?
    Hi Jackster

    It is my understanding that the OPV used for the Oscar II upgrade kit comes from the Musica parts catalog.

    Hopefully Antony from Casa will clarify whether OPV is in the base model Musica or the Musica Lux Pro kit.
    Last edited by matth3wh; 6 Days Ago at 11:40 AM.

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