Thanks for the reply, by the lower pipe do you mean the pipe from the first tee, or the pipe segment on the bottom left of my diagram? There are two circulators in there where I labeled them "Taco", not sure I used the right symbol and sorry if i wasn't clear, but both are pumping right to...
Hi all, I'm a new homeowner dealing with a hydronic heat system that services both radiant heat downstairs (trays installed over subfloor with wooden flooring on top) and forced air upstairs. The radiant floors are divided into three zones, with a single pump and zone valves controlling water...