Espresso Machine Extraction Pressure Adjustment Spring Set of 3 9Bar OPV Set of 3 Compatible with Gazia Classic Pro 6.5Bar, 8Bar,

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. √ Pressure change: You can change the original pressure spring to high quality 6.5Bar 8Bar 9Bar. Eliminate channeling issues and achieve a perfectly balanced espresso extraction, enhancing flavor clarity and quality. HIGH QUALITY: Made from corrosion-resistant 304 stainless steel, this OPV retrofit kit is seamlessly compatible with the Gaggia Classic series, ensuring pressure regulation and providing the ultimate coffee experience. Kit contents: The package includes a 6.5Bar 8Bar 9Bar OPV to adjust your coffee machine to the optimal brewing pressure and enjoy exceptional coffee extraction. Easy to install: Installs with just a screwdriver and 10mm wrench and takes less than 10 minutes. Follow these steps: 1. Remove the upper housing. 2. Loosen the water supply. 3. Replace the original spring. 4. Reinstall to restore original condition. Important note: Please clean the surface of the OPV before use to ensure full compatibility with Gaggia Classic. * PRESSURE ADJUSTMENT: A set of 3 6.5 8 9 bar OPV springs is designed as a replacement for the factory set overpressure valve (OVP) for Gazia classic espresso machines. The spring allows you to adjust the pressure to achieve optimal espresso extraction. * Optimal extraction: The factory set pressure of 15 bar may be too high to use a traditional espresso portafilter basket. These replacement springs allow you to maintain an industry standard 9 bar pressure, ideal for achieving the best extraction results. * Versatile range: In addition to 9 bar springs, this set also includes 6.5 bar and 8 bar springs. This allows you to experiment with different pressure profiles and adjust the espresso extraction to your personal preferences. * Wide Compatibility: The self-assembling stainless steel springs in this set are compatible with all new models of Gazia Classic coffee machines, especially from 2019 models onwards. This allows you to easily install these springs on your machine for better pressure control. * Easy installation: overpressure valve Replacing springs is a relatively easy task. You can easily replace it by following the step-by-step instructions provided. One-time spring with the desired weaker spring. Enjoy the convenience of adjusting the pressure to your preference. Specifications: * Part name: OPV spring set * Material: Stainless steel * Size: 6.5 bar, 8 bar, 9 bar * Color: Silver Package contents: 3 pieces springs