Welcome! Here are some tips for using this forum.
Weird Hydronic System Anomaly Confused in Pittsburgh
This has happened to me a few times in my career and happened again today. I had a boiler running for an hour and did not see the temperature rise on the thermometer or the boiler. The boiler temperature rise was about 6 degrees through the boiler. Once I closed the valves down to get a twenty degree delta T, the boiler temperature rose as well as the loop temperture. I am still putting the same Btus into the loop and confused in Pittsburgh
Boiler LessonsClick here
to take Ray's class.Click here
to buy Ray's books.