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New Reduced price! The Evolution of Primary/Secondary Pumping View larger

The Evolution of Primary/Secondary Pumping

M00001454

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The Evolution of Primary/Secondary Pumping

Journal Article by ASHRAE, 2020

Bob Arentsen; Mike Licastro

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The concept ofprimary/secondary pumping has been around since the mid-1950s, when hydronicheating was in its infancy. Since its advent, this hydronic heating techniquehas been significant in the design of pumping systems for commercial heatingand chilled water-cooling systems, and, more recently, residential and lightindustrial systems.

Citation: ASHRAE Journal, Vol. 62, no. 1, January 2020