At this point I am ready to finalize construction of my hydronic cabinet including upper frame, HX brackets, insulation and some sheet metal work. When that is completed I'll form up some 3/8" and 7/8" copper to connect this "water-handler" to the GSHP below. The final step will be wiring the circulator pump and some temperature sensors into one of these Omron Zen PLC units and then integrating that into the GSHP unit below.
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