Uploaded April 2026 | Updated September 2026, 1 hour ago

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What's inside the Gemilai Owl? This is a standard thermoblock espresso machine, with PTFE (teflon) lines, silicone lines, brass connectors, and more. Let's open this guy up and see what it's made out of, how it's constructed, and how to change the pressure on the over pressure valve!

-- Products used/recommended in this video --
(these are affiliate links that help fund videos like this, at no extra cost to you)

► Gemilai Owl: amzlink.to/az0CgMCb8joHe

► Bookoo Scale: amzlink.to/az0LK2r4G7ISP

► Subminimal Flick WDT: amzlink.to/az0mxNKqmYdQT

Machine source: provided by Gemilai

Chapters:
0:00 Intro
0:13 Grounding check
1:22 Disclaimer (don't do this at home)
2:25 Teardown
4:31 Materials
6:21 Water path
10:56 Setting the OPV

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*DISCLOSURE: The above Amazon links lead to Amazon, and since I am an Amazon Associate, I earn from qualifying purchases, at no extra cost to you.

#TomsCoffeeCorner #Espresso #HomeBarista