Sloan Valve Regal XL Flush Valve Repair Parts
adjustable tail piece leaking : r/Plumbing
Sloan Royal Flushometer Parts Breakdown
Sloan H-553 Tailpiece O-Ring, Flush Valve
SLOAN H-553 Tailpiece O-Ring (2-Pack) 131073 - The Home Depot
Captain O-Ring Replacement H-553 / 5308696 / P6000-C31 / A912809
Sloan Valves #H-553 O-Ring
Captain O-Ring Replacement H-553/5308696 / P6000-C31 / A912809
Sloan Stop Tailpiece O Ring H-553
Sloan Control Stop Repair Kit H-543-ASD