The Art of Variable-Speed Pumping to a (Delta-) T

The Art of Variable-Speed Pumping to a (Delta-) T

From pipe sizing to pump selection, tips for applying this proven technology

Variable-speed hydronic circulation has been around for years. With the advent of packaged controls on pumps, it is easier than ever to implement.

To take a closer look at the concept of variable-speed pumping, I asked professional engineer and manager of application engineering for Taco Inc. Greg Cunniff and Warwick, R.I.-based plumbing and heating specialist William J. Riley to explain the best applications and key benefits of the technology.

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