One size doesn’t fit all…

The Glitch:

A project requires both medium and low-temperature radiant floor panels. The installer proposes the following system design. Since the mod/con boiler already has an internal outdoor reset controller, the installer chooses a standard 1-inch tempering valve to drop the water supply temperature to the lower temperature zones. The installer also decides that since the boiler supply and return connections are 1-inch, he can pipe the entire system with 1-inch tubing.

Can you spot at least six design or installation details that are going to create problems?

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!