Restore consistent, high-performance steam delivery to your La Marzocco GB5 or FB80 espresso machine with the genuine **GB5 FB80 Steam Valve Complete (Part \#B.1.001)**. If you are experiencing common issues like a **leaky La Marzocco steam valve** or finding that your **espresso machine steam wand losing pressure**, this complete OEM assembly is the definitive solution. Engineered to exacting factory standards, this part is crucial for high-volume commercial environments, ensuring your baristas can consistently texture milk to perfection without interruption. Key features include a high-durability brass body, precision-machined internal components, and the necessary seals to withstand continuous exposure to high-pressure, high-temperature steam. This complete unit replaces the entire mechanism, eliminating the guesswork associated with piecing together individual valve components. The benefit of installing the B.1.001 complete steam valve is immediate operational reliability and peak performance. By guaranteeing a perfect seal and smooth mechanical actuation, this valve prevents costly steam leaks and pressure loss, which can severely compromise milk quality and waste energy. Proper usage involves regular cleaning and ensuring professional installation to maintain its longevity. Compatible with La Marzocco GB5 and FB80 models (specifically parts B.1.001.01 through B.1.001.02.R), this factory-specified replacement ensures precise steam modulation, giving baristas optimal control over the milk texturing process. **Stop struggling with a sticky steam valve** and upgrade to factory-new function. Specifications for this complete assembly include the proprietary connection fittings designed for seamless integration into the La Marzocco boiler system, and it is built with specialized heat-resistant elastomers to ensure maximum lifespan. Investing in this genuine OEM part protects your machine's internal components and maintains the superior milk quality La Marzocco is known for. Don't let a **broken La Marzocco steam valve** slow down your busy café—trust the **GB5 FB80 Steam Valve Complete** from Kaldi.com to restore flawless functionality and consistency to your espresso workflow.