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 yourold fill valve(the one you're replacing) and use the same color restrictor on your new GP1138930 fill valve.See...
TOILET FLUSH OPERATION - explanation / illustration of toilet flush handle, flush valve, fill valve, diverter & overflow tube & other parts TOILETS, INSPECT, INSTALL, REPAIR - home - this toilet buy, install or repair guide article series discusses the cause, diagnosis, and repair of toilet pr...