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What exactly does the anti-vacuum valve do?
This is what a typical defect looks like. What does this valve do, and why is it one of the most common defects in machines? You can find out here... The anti-vacuum valve serves the following purpose: Assuming the kettle is hot, it will be about 70-80% full of hot water, and very hot steam will have formed above it, which we need for frothing cappuccinos and lattes. Everything's fine. Now we switch off the machine. The boiler will then cool down, along with the hot steam. Wh
BaristaHerz Werkstatt
2 days ago2 min read


Boiler valve defective
Here's a machine from the workshop. The safety valve had been leaking for a long time without being noticed. This resulted in significant heat damage. Everything repaired and customer is happy again 👍🏾
BaristaHerz Werkstatt
2 days ago1 min read


What is the number one killer of espresso machines?
That's lime, that much was clear. ...the number 2 killer of machines is - descaling! This is no joke; descaling is the biggest stress on machines, and almost every descaling process results in something breaking or starting to break. This is because dissolved particles always remain in the machine, which later clog or damage something. How do you break this cycle? From day one, use only water with a hardness of less than 8°dH.
BaristaHerz Werkstatt
2 days ago1 min read
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