How would you fix this oil-fired boiler system?

The Glitch:

The photo below shows an oil-fired boiler and surrounding details. Take a close look, and make a list of what you would change in this portion of the system.

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!