John Siegenthaler: Hydronics Workshop

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When — and when not — to use reverse return piping.

Twenty years ago, the contemporary approach to prevent interference between simultaneously operating circulators in a hydronic system was primary/secondary piping.

A seemingly good idea that doesn’t work.

It’s not sexy, but outdoor reset is still a ‘smart’ choice.

Strive for what seems impossible at the present.

Hydronic systems donít have to be large or complex to be state-of-the-art.

Many systems that use renewable energy heat sources have large thermal storage tanks.

Outdoor reset can improve performance.