Q. "The GP1138930 comes with some colored inserts. What are those for?"
A.Since the Kohler GP1138930 is a replacement for a variety of fill valves, it comes with a selection of color coded flow restrictors. To select the correct insert, check your old fill valve (the one you're replacing) and use the same color restrictor on your new GP1138930 fill valve. See example of the four included restrictors.
Q. "What does 'will fit' mean?"
A."Will Fit" is a term used to define an item that may or may not be made by the original manufacturer (OEM), but will function just like the original part.
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