Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Potential pump problem

John_88 Member Posts: 8
Series 100 pump when running has a hesistation in it that more than likely caused the destruction of the pcast iron coupler

Pump is two years old?

Any ideas causing the hesistation?


  • hr
    hr Member Posts: 6,106
    was it oiled

    when installed? Sounds like the bearing are seizing up. 3 oil cups, a few drops each on the motor, the rest of the plastic vial in the bearing wicking.

    Or something stuck in the impeller, solder, stones, copper reamings, etc.

    hot rod

    To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Professional"
  • Empire_2
    Empire_2 Member Posts: 2,343
    Spring coupler

    A common cause of premature wear is misalignment of the motor itself. Motor mounts eventually wear and out of wack causing stress on the coupler. Also, as Matt stated it is very important that the pump be oiled upon start up as to the manufacturers reccomendations. If it was under oiled, especially the bearing assy, the damage is already done.
  • Joe Mattiello_2
    Joe Mattiello_2 Member Posts: 94
    Taco pumps are pre lubricated

    sounds like the B&G coupler that failed. Taco uses a spring type coupler.
    Joe Mattiello
    Technical Support Technician
    Tel. 401-942-8000 X 484
    Fax. 401-942-2360
    1160 Cranston St
    Cranston, RI 02920
    [email protected]
This discussion has been closed.