Rubber washer, 2. Brass washer, 3. Threaded locknut w/set screws. Hand tighten the threaded locknut. Use a screwdriver to tighten the set screws on the locknut.

Test the Flapper Push down on the flapper with a stick when you hear the toilet water running and listen for it to stop. If it stops, you know the flapper isn't sealing properly. Replace the ...