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  • Noisy Circulator

    I have replaced a cabinet convector in my two pipe reverse return system with a manifold feeding four small radiant loops. I added a small Taco 003 circulator to the manifold to boost the low temperature pressure going into a termastatic mixing valve. The little circulator has a very big humming sound. It reminds me of a 60 Hz electrical transformer humming.

    Any suggestions?

  • #2
    Re: Noisy Circulator

    Originally posted by Holiday View Post
    ... The little circulator has a very big humming sound. Any suggestions?
    Is it struggling with the load?
    Could the case be humming and be dampened with something?
    I'd take an educated guess - but I'm unqualified.
    It ain't just soot, it's paydirt.
    "I swear, wherever Gift goes, argument follows." -Youtube comment


    • #3
      Re: Noisy Circulator

      Have to hear it. Might be normal. Might be bad cartridge.