Whether you're a coffee connoisseur or just looking to get the most out of your espresso machine, this OPV modification kit is and easy to install must-have addition to your setup. Upgrade your machine today and experience the.

Introducing the Distro Coffee Labs OPV (Over Pressure Valve) modification kit.We offer a self-assembly stainless spring that is compatible with all newer Gaggia Classic coffee machines (2018 models - so far). Our spring allows you to maintain industry standard 9 Bar of pressure for optimal espresso extraction, For those wishing to experiment and extract at a lower pressure, a 6 Bar modification spring is included as well.

Function: Replacement for the original spring in Gaggia Classic 2015EU/ 2018/2019/2020/Pro OPV to 9 bar for industry standard espresso extraction pressure.

Standard: This pressure is too high when using a classic espresso portafilter basket. Professional espresso machines have a pressure of 9 bar, 9 Bar spring will decrease channeling leading to a more consistent and better tasting extraction. It is relatively easy to replace the spring in the over pressure valve.

Include: 1*9 Bar OPV spring.1*6 Bar OPV spring .