Articles Tagged with ''hydronics''

A homeowner hires a heating contractor to upgrade his propane-fired cast-iron boiler to a mod/con boiler. The cast-iron boiler is only 15 years old and in good shape. 

A multiple boiler system using sectional cast-iron boilers has been configured to supply two loads as shown below. A “crossover pipe” is installed in case the flow rate in the primary circuit is different from the flow through the boilers. There are several piping errors in this proposed design. Can you spot at least five of them?

One of the most recent initiatives undertaken by the Radiant Professionals Alliance Hydronics Industry Alliance — Commercial (HIA-C) committee is designed to create interest in the Hydronic University and introduce the future “Hydronic Solutions” videos and tutorials, white papers and training.

Sometimes multiple mistakes show up in small portions of hydronic systems.

An installer is asked to provide a system that supplies two zones of fin-tube baseboard and two zones of floor heating.

We’ve come a long way since the days of gravity-hot-water heating. The physics haven’t changed a bit, but the systems sure have. 

We’re only human, and most humans like to put off things until they absolutely have to be done. 

Gillis has more than 20 years of engineering and application experience.

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