What is the aspirator for?

Discussion in 'Shower & Bathtub Forum & Blog' started by leorob, Nov 3, 2009.

  1. leorob

    leorob New Member

    Oct 16, 2009
    Los Angeles
    Kohler K-302 shower valve
    What is the aspirator for?
  2. thebigsee

    thebigsee DIY Member

    Sep 24, 2009
    Southern California
    Not familiar with your specific device, but in a general sense any aspirator is simply a device to introduce air.
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  4. Runs with bison

    Runs with bison Member

    Aug 23, 2009
    It's in an odd lace in the part diagram for the Kohler. I have no idea what it is for there.
  5. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego
    Notice that the parts diagram is typical for Kohler....multiple versions produced of the identical model #>http://www.kohlerserviceparts.kohle...22b6&ModelID=cbe0c82ce70a49958823633ac97126e5

    Anyway, the aspirator #30521 is an insert in the body of the valve, at the outlet to the shower. Many, if not most , brands ...use a flow restricor in the outlet to the shower. Helps to eliminate unwanted upflow to the shower head when using spout. Don't know why they call it an aspirator, but I don't know of any explanation except "flow restrictor".

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