Loud vibration from Hamat kitchen faucet?

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by SteveW, Apr 8, 2009.

  1. SteveW

    SteveW DIY Senior Member

    Joined:
    Feb 11, 2005
    Location:
    Omaha, NE
    My sister in law has a Hamat kitchen faucet like the one in the picture. For months now, it will intermittently cause a very loud vibration-type noise in the pipes throughout her house when it's running. Doesn't seem to matter if hot or cold water. The water flow slows down to about half when it's making the noise compared to other times when it doesn't make the noise.

    I looked the faucet up on the Hamat web site and got a schematic. It has a ceramic cartridge.

    Here's the question - can a bad ceramic cartridge cause this kind of noise? I know from this site that a loose rubber washer on a toilet fill line, for example, can do this, but wasn't sure if or how a ceramic cartridge could do it.

    Any other thoughts on fixing this would be appreciated.
    Thanks.
     

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  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    Does it have a spray attachment as part of it? The diverter can make that kind of noise.
     
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  4. SteveW

    SteveW DIY Senior Member

    Joined:
    Feb 11, 2005
    Location:
    Omaha, NE
    Yes, it does. The noise doesn't happen when you are using the spray, and the spray seems to have better water volume than the faucet itself. Does this still point to the diverter as the problem?
     
  5. cwhyu2

    cwhyu2 Consultant

    Joined:
    Aug 11, 2007
    Occupation:
    Consultant
    Location:
    Cincinnati OH
    Remove the airiator at the end of the spout and clean it.It may have debris
    or loose parts,give it a try.You also may have a flow restrictor on the inlet that is mafunctioning.
     
    Last edited: Apr 8, 2009
  6. SewerRatz

    SewerRatz Illinois Licensed Plumber

    Joined:
    Nov 20, 2008
    Occupation:
    Chicago Illinois Licensed Plumber
    Location:
    Chicago, IL
    I came across a faucet that was making a loud noise while it was running. Took it apart and found a ball of solder in the cartridge. Once it was cleaned out all was fine.
     
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