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Convectors not getting hot

paplumber
paplumber Member Posts: 1
in THE MAIN WALL
Installed new boiler, with 2 zones, one zone is baseboard loop for small addition that I have purge valve at the end of loop, this zone heats fine

main zone is rest of house that has convector that have to be purged separate.

Is a 2 pipe system direct return, that is a loop around the whole basement, convectors at end of loop are not getting hot, I have honeywell supervent and I'm pumping away from expansion tank, Have Taco 007 circulator do I need bigger circulator?

Comments

  • Zman
    Zman Member Posts: 7,609
    have you??

    Are you able to "power purge" the zone using the fill valve or a hose connected to a boiler drain? It sounds like you are air locked.

    Carl
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • icesailor
    icesailor Member Posts: 7,265
    Cold Convectors:

    Did you bleed the air from the convectors? Convectors aren't usually series looped. If the hot water is going around the main, and the "convector" isn't getting hot, it probably needs to be manually bled. "Purging" won't vent it.
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