Over the years, I have addressed some of the many problems associated with large, multi-story apartment buildings DHW production and distribution systems. I’ve addressed the many methods of creating a direct cross connect between the hot and cold water piping, which causes a severe shortage of DHW to the units that are near this cross connection.
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Challenges in DHW Distribution – Part 1
Some cross-connection problems can be masked by other problems common to large, DHW distribution systems.