Replaces worn out tank ball or flapper in toilet. Provides a new Celcon plastic seat to rejuvenate worn out conventional 2" flush valve assembly. Mounts directly onto old flush valve seat using a special sealant which cures in water. Installs without removing tank from toilet. Includes a counter-weight which keeps the Flusher Fixer open longer and allows water conserving toilets to flush and refill completely. Replaces model No. 555A flusher fixer Repair.