Chain Style Tubing Glass Cutter: Why Most People Use It Wrong (and How to Fix It) -Weekly Boiler Tip

BONU S TIP - Learn the right way to cut boiler sight glass using a chain-style tubing cutter. Many techs treat glass like copper — twisting instead of snapping — which leads to cracks, crazing, and leaks. In this short demo, we’ll show you exactly what to avoid and how to make a perfect, clean cut every time.

Whether you’re maintaining a boiler, replacing sight glass, or just want to improve your cutting technique, this tip can save you both time and parts.

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Timestamps (Waterfall Chapters):
00:00 — The wrong way to use a chain-style glass cutter
00:06 — The right way: scoring and quick snap technique
00:28 — Why twisting the cutter damages glass
00:41 — Clean vs. jagged cuts explained
00:48 — Final tip: Squeeze and snap for a professional finish