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Plethora of problems

The Glitch:

The three photos shown below are all from the same installation. Can you spot at least 5 causes for concern among these three photos? If so, what would you do to correct them?

Bicycle tire

ENLARGE

FIGURE 1

Fluid

ENLARGE

FIGURE 2

Household hardware

ENLARGE

FIGURE 3

Are you an ace troubleshooter?

Within the pages of this magazine, PM’s Hydronics Editor John Siegenthaler, P.E., will pose a question to you, our readers, to review a system’s schematic layout and discover its faults, flaws and defects. Discover archived “The Glitch & The Fix” exercises at its radiant-focused website, www.radiantandhydronics.com. Good luck!