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Hydronic distibution problem

Jim_17
Jim_17 Member Posts: 8
in THE MAIN WALL
I had my thirty year old hydronic boiler replaced with a new one. The old one had a large motored circulator. The new one has a smaller circulator. The problem I am having is poor ditribution of heat. The upstairs beedrooms are baseboard, the middle level is baseboard and the lower level is in the concrete. It is a one zone system teed together. The middle level gets hot, the lower level gets warm and the upper level stays cool. I never had this problem with the old boiler and the new one is actually larger to compensate for a future indirect water heater. Is this problem because of the smaller circulator or what and what can be done to correct it?

Comments

  • Jim_17
    Jim_17 Member Posts: 8
    Hydronic distribution problem

  • Steve Eayrs
    Steve Eayrs Member Posts: 424
    What size are the pumps???

    The old one could be physically bigger, and still be smaller in output, than the new pump/boiler. Could also be due to too low boiler pressure.

    Steve
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