New Check Valve, Mini / GS3 (Replaces B.2.008) (B.2.027)
Item will ship directly from manufacturer. Stock not guaranteed. Lead time 3 to 6 business days. Please email or chat to confirm prior to ordering.
Restore the flawless hydraulic integrity of your La Marzocco Linea Mini or GS3 espresso machine with the genuine New Check Valve (Part # B.2.027). This essential OEM component is the updated replacement for the old valve (B.2.008) and is critical for managing water flow direction within the machine. Key features include a robust, high-pressure-rated brass body and a precision-engineered sealing mechanism that ensures one-way flow. This check valve prevents water from back-siphoning from the boiler or group head into the pump or supply line, which is vital for maintaining consistent brew pressure and protecting internal components from damaging water hammer effects. Using this factory-specified part guarantees compatibility and the long-term reliability La Marzocco owners expect.
If you are experiencing inconsistent brew pressure on your Linea Mini or your GS3 pump is struggling to build pressure, a failing check valve may be the *problem*. The B.2.027 check valve is the definitive *solution* for issues like *why my La Marzocco Linea Mini check valve is leaking* or *how to fix La Marzocco GS3 backflow*. By installing this new, improved check valve, you immediately eliminate backflow issues, ensuring your pre-infusion and extraction pressures remain stable and repeatable. This translates directly to consistently perfect espresso shots and extends the lifespan of your pump and related plumbing. Installation is recommended as part of routine maintenance to proactively avoid these flow-related failures.
The New Check Valve B.2.027 is engineered specifically for the demanding environment of commercial and high-end home espresso machines. Its durable design resists corrosion and thermal stress. The proper function of this check valve ensures that the machine’s systems operate as designed, protecting against costly repairs caused by water contamination or pressure drops. Purchase the genuine replacement B.2.027 from Kaldi.com today to maintain the factory performance and water safety of your La Marzocco Mini or GS3.
