Know What Boiler Sight Glass is Best for You!

In this latest Ras Class, we break down the pros and cons of different boiler sight glass types and show you how to pick the best one for your setup.
July 25, 2025

In this installment of Ras Class we break down the pros and cons of different boiler sight glass types and show you how to pick the best one for your setup. From tubular to flat glass, we cover what matters most when it comes to boiler sight glass. Whether you're running a high-pressure steam system or a low-pressure hot water boiler, choosing the wrong boiler sight glass can lead to leaks, safety issues, or constant replacements. Check out the Rasmussen Mechanical blog at www.rasmech.com/blog/boiler-water-conductivity and be sure to subscribe for more tips and tutorials.

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