At the end of last month’s column (Retrofit variable speed pump considerations, Part 1), I promised that we would venture into the world of sizing retrofit circulators for light commercial projects ...
In hydronic heating and cooling systems, circulator pumps move water or refrigerant throughout a closed-loop system in order to transfer energy from the source to the point of need. While older ...
MORTON GROVE, Ill. — Bell & Gossett, a Xylem brand, launched its ecocirc® 20-18/ecocirc+ 20-18 – Variable Speed ECM Smart Circulator. The newest generation variable-speed ECM smart circulator, ecocirc ...
At the end of last month's column (November, p. 40), I promised that we would look at the bottom line results of retrofitting variable speed pumps on a sample project. As I explained previously, for ...
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