The Biggest Loser

The Biggest Loser

Does the industry need to revise its methods for designing hydronic heating systems and rethink conventional methods for sizing circulators?

For most of the past four decades, my hydronic training centered on choosing a circulator that met or exceeded the required system flow rate, while overcoming the system's head losses in each zone. Our hydronic piping zones were like fat wide highways where traffic was light and with very little need on our part to pay close attention to those k

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