Gaggia Classic OPV spring mod kit - PLUS version (springs, additional silicone pipe and bung) ## SPECIAL ORDER ##

OPV springs

Gaggia Classic OPV spring mod kit - PLUS version (springs, additional silicone pipe and bung) ## SPECIAL ORDER ##

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$18.36
excluding VAT

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*** THIS IS NOW A SPECIAL ORDER ITEM ***  

If you believe that you need this PLUS version of the OPV kit then please reach out to us via chat and we will discuss with you. 95% of all Classics only require our OPV Standard kit.


US CUSTOMERS - PLEASE NOTE that based on experience, it is only machines made in 2019 and 2020 for the UK/EU markets and outside of North America that MAY need this kit.

North American (US and Canadian) Classic Pro machines need the Standard OPV kit instead.

Please don't buy this version of our OPV kit unless you a REALLY sure that you need it - and not just our regular Standard OPV kit  (which is all that 99% of Classic owners need!)

Be aware that some sellers are trying to copy our OPV mod kits but are selling kits that don’t perform properly. Usually they are showing images of a Classic with 9 bar on a static pressure test, which will be 8 bar when pouring. Our kits correctly show +1 bar on a static pressure test … so 9 bar spring shows 10 bar; 6.5 bar shoes 7.5 and 5 shows 6.

If you have a new style Gaggia Classic (depending on the market, this is either models after 2015 for the EU or models after 2018 for the US), then you will have a new style OPV valve - as shown in the Gallery images.

THIS KIT IS ONLY RELEVANT to your Classic if it is both:

  • Model RI9480/?? - UK/EU new Gaggia Classic 2019 (eg RI9480/11 and any other RI9480/?? machine)
  • Made between Wk 10/2019 and Wk 7/2020  (as per the label on the bottom).

This product was designed for the new Classic models (Classic Pro / Classic 2019) though it may also be relevant to the EU RI9403/?? (2015-18) model - as these use the same fixed OPV.  Some other Gaggia models (eg Baby) may also use this similar valve, and hence this kit will also apply.

This new style OPV valve is characterised by being a black plastic valve attached to the top of the pump - that has TWO pipes leading from it, as can be seen in the Gallery images.

This product is the PLUS version,  which contains the different pressure springs as well as an additional silicone pipe and bung, and is relevant if your machine only has ONE pipe visible within the water tank, as shown in the Gallery images.

If you already have TWO pipes visible in the water tank then you need the Standard version of the kit (that is just the springs).


Spring pressures

The 9 bar spring is great for general use, and is the "industry standard" espresso extraction pressure.  Most people will use this one.

The 6.5 bar spring is good for some espressos, and lower pressure extractions are being used in many coffee shops now.  It's worth trying this one, as you may prefer the taste and mouthfeel that lower pressure extractions produce.  Some careful installation of the spring and replacement of the floating valve seat may be required with this one, otherwise you can find that steam pressure will leak out of the valve and reduce your steaming power.

The 5 bar spring is very low - and again it's great to try it - but this one is quite low pressure and can cause some challenges when you steam; as the steam pressure can escape from the OPV if it exceeds 5 bar.  Great for straight espresso or Americano lovers though.

I've installed the OPV mod kit and now I don't have much steam power, what's up?


BEFORE PURCHASE

Please remove the lid from your espresso machine (the two small screws at the rear of the machine, within the black plastic lid) and absolutely confirm that your pump looks like the one shown within the Gallery images - with the black plastic valve that has TWO pipes attached.




This kit contains:

  • 9 bar spring
  • 6.5 bar spring
  • 5 bar spring
  • Silicone tubing
  • Silicone bung
  • Installation instructions

NOTE that once you have bought this kit and checked out, the installation and use manual will be sent to you as a PDF digital download - so you can start reading.

DISCLAIMER:  The installation of any of our parts or kits, and any modification of any espresso machines undertaken by reference to our installation and/or user guides, should only be conducted by persons with proper electrical safety knowledge who are capable and qualified to undertake such work and modifications.  Many of the components within espresso machines operate at high temperature, high pressure and with mains electrical voltages at high current in the presence of water – any of these could cause serious personal injury, shock, burns, fire, explosion, other property damage and possibly death.  We shall hence not be liable for any damage to property, personal injury or other loss caused by the improper or incorrect use of the aforementioned installation and/or user guides or the provided kit(s) or any of those kit’s component or constituent parts.  By commencing installation of our kit(s) you agree to accept all liability associated with the modification of your espresso machine, and agree to hold us in no way responsible or liable for any loss, damage or injury howsoever, wherever or whenever caused.  You further agree to indemnify us and our agents, officers, directors and employees, immediately and on demand, against all claims, liability, damages, costs and expenses, including legal fees, arising out of any installation, use, misuse or failure of any of our kits or component parts thereof.

Ordered from Australia. Was here within a week. Took about 3 minutes to install and the improvement is fantastic. So glad I did this!

Justin

Just do it

Gabriele Calissi

Very easy with straightforward directions and diagrams. The only difference in my Classic Pro machine was a plastic sleeve/notch where the top stainless edge fit in toward the front. I immediately pulled a shot with the same grind, timing etc. Worked just fine. I need to experiment a bit more to see what grind settings give best results. Thanks for the quick shipping too.

Mike Davis

A 5 minute job that transforms the extraction, slows the flow down nicely. Great taste too. Went for the 9 bar spring.

Roy

Wow what a change to extraction, flow and taste. Easy to install, highly recommended.

Murat

Really simple and easy mod, that greately improves extraction. Also inexpensive and easily reversable, with very clear installing instructions. The additional venting mod of the plus kit really makes sense, it's neat and the drip tray does not get full so quickly. I highly recommend it.

Nikos

This is a wonderful mod! Easy to install and makes a great improvement. Two words about that plus version - constantly emptying a drip tray made me crazy! I really do not understand the idea behind that Y thing that sends clear unused water from OPV to a drip tray instead back to a water tank. This fix is simple and brilliant!

Zoran Vlah

Easy to install, simple instruction guide. Can't really go wrong. I've only fitted the 9 bar spring but nice to have the others for later experimentation.

Jim

This is a great tweak to your Classic at a very low price! I ended up using the 9 bar spring, which was very easy to install. I initially tried the 6.5 bar spring, but it gave me some trouble when steaming because it (obviously) applies less pressure to the gasket, which in turn had trouble seating properly and would leak steam/water once the boiler got above about 140C. This caused it to lose steam pressure quickly. If you hear a horrible bubbling/boiling sound, that's signals that the gasket isn't seating properly and you're losing pressure. After about four tries at cleaning things out and re-seating it, I decided to try the 9 bar spring. The 9 bar spring was super easy to install and gave me no trouble at all. I'm sure the 6.5 bar spring would work with a bit more patience, but I'm very happy with the 9 bar. This is a great, inexpensive upgrade!

Andy

Leave a review

from John Koroglu

Your question:

hi there. just wanted to confirm that the tallest of the three (3) is the 9 bar variant? before going ahead and installing it (springs were not marked as to what rating they are..) thank you!
Our answer:
The fitting instructions (that you are emailed a link to after purchase, and a link to them is also provided with the kit ) show photographs of the springs, and gives you an explanation of the pressure that each spring provides.   The longest one is 6.5 bar, then there are two shorter ones - the firmer one (when squeezing the springs gently and slightly from end to end) is 9 bar, and the softer one is 5 bar.Hope this helps!

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from Kirk Barnes

Your question:

I see that you indicate that there may be a loss o f pressure in the steam valve if the 6.5 or 5 bar spring is used. You make no claims in regards to the 9 Bar spring could you please indicate if I will see a loss of pressure (and if so how noticeable) if I install your 9 Bar spring mod. Thank you
Our answer:
Good question - and thanks for asking.  Normally the steam pressure is comfortably contained by the OPV - and this is definitely the case with the 9 bar spring;  when you use the 6.5bar spring then you MAY find that if the valve cap isn't seating properly then steam pressure can leak out (reseating it properly usually resolves this).  If you have a PID with much higher than standard steam pressure then this higher pressure can sometimes also leak with the 6.5bar spring.  Whilst the 5 bar spring is good to try and experiment with, it's good for espresso and Americano drinkers - but if you steam then you will probably find that steam and water escape via the OPV as the containment pressure is low.So - in summary - you shouldn't have any steam issues with the 9 bar spring, and if you do then you can usually resolve this by reseating the spring and valve cap.   Typically 6.5bar will be fine too.  5 bar may have steam pressure issues.

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from Mike

Your question:

How will the mod from the OEM 12 bar down to the 9 bar spring impact the recipe? All other things being equal, I assume the grind would need more fine to produce the same pull. Is that right? Thanks!!
Our answer:
Thanks for your question Mike - and yes,you'll typically find that as you lower the pressure of the extraction you should (or rather can) make the grind finer accordingly.  This can be quite noticeable when dropping from 12 to 6.5 - and perhaps less so when going from 12 to 9.

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from Juras

Your question:

Hi, I have machine with one pipe (2019 Classic Pro). Water with chemicals goes to the tray when cleaning from coffee deposits. How adding the second pipe will change cleaning of the machine process? Thank you! Juras
Our answer:
Thanks for your question Juras.  It won't change anything about the cleaning process. Right now dirty water from cleaning and from the puck at the end of the shot are all deposited down the vent pipe into the drip tray.  However, good clean excess water from the OPV is also routed to the drip tray (when it should go back to the tank -as with all other Classics).  What the PLUS kit does it give you the extra pipe and bung to allow the good clean water to go back to the tank (rather than the drip tray) - this saves your water, and stops your drip tray filling up very fast.

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