Originally Posted by bgreen
I have a second identical Kohler toilet in my house so I took the flapper from it and put it in the problem toilet. Problem solved!
I had a service call similar to that I had 3 toilets and 3 flappers.
One did not work ( dye tested ) so I swapped flapper. Bad flapper.
That sucked cause I had to make a 2nd trip just to replace a stupid flapper.
Flappers are the cause for many call backs to a job.