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Thread: Brand New Boiler Circ. Pump w High Pitch Sound

  1. #1
    DIY Senior Member molo's Avatar
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    Default Brand New Boiler Circ. Pump w High Pitch Sound

    What does this mean that I am hearing a very high pitch sound from a brand new circ pump? It is a Bell and Gosset 3 stage pump and it does whir on all 3 stages.

    Thanks for any replies!
    "Any American who is prepared to run for President should automatically, by definition, be disqualified from ever doing so."
    Gore Vidal.

  2. #2
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    It's bad, return it/

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
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    Did you run it dry at all? The bearings don't like to run dry...
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  4. #4
    DIY Senior Member molo's Avatar
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    It was not run dry and has actually stopped. It lasted for about 4-5 hours after it's initial start-up. Bell and Gosset NFR-25 (or is it NRF, but you get the idea)

    Thanks for the replies!
    "Any American who is prepared to run for President should automatically, by definition, be disqualified from ever doing so."
    Gore Vidal.

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