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I read somewhere that the most prevalent machine in the world is the electric motor. I thought about that for a while and it made sense. Just look around. But then I began to wonder what the second-most prevalent machine in the world is. Turns out it’s the pump!
Taco’s new VR series high-efficiency ECM cast-iron or stainless steel circulators offer a wide range of low-, medium- or high-head options in sizes from 1/3 to 2 HP. Easy, intuitive settings and operation will appeal to installers for a broad range of uses, including HVAC, hot water recirculation and NSF commercial hot applications, Taco notes. 00e VR circulators provide an easy-to-provide pump interface with real-time feedback.
When designing hydronic circuits, most of us focus on what’s necessary for that circuit to absorb thermal energy at a heat source, carry it along like a conveyor belt and release that energy at one or more heat emitters.