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
Product Details
Published: 2020 Number of Pages: 7 Units of Measure: Dual File Size: 1 file , 83 KB Product Code(s): D-AJ20Jan03