John Pughe is a long-time colleague of mine and a true hydronics professional. He recently sent me an “as installed” and “as corrected” schematic for a hydronic heating system with twin 200,000 Btu/hr mod/con boilers, and 15 zones, each powered by its own circulator.
Assuming that the aquastat is operating correctly, and that essential details are all present and correctly installed, why is the system behaving this way?
Assuming that the aquastat is operating correctly, and that essential details are all present and correctly installed, why is the system behaving this way?