In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
The Hydronic Formula and it's limitations
What the formula "predicts" and what is actually taking place inside the system, "your mileage may vary" Good food for thought in this PM Mag article.
Bob "hot rod" Rohr
trainer for Caleffi NA
The magic is in hydronics, and hydronics is in me