Toto Ultimate Drain Valve Assembly

TOTO One Piece Toilet Flush Valve Tower - Fits: Ultimate (853/854), Replaces THU002U and THU002Z flush valves

OLD CODE:  THU460.15E-A-TOT

NEW CODE: THU831-A

SEAL FOR VALVE : THU407 

TOTO THU831-A Drain Valve for 853/854 1.6 GPF