Pentair Compool 2.5" and 3" Diverter Valve O-ring Kit 51016200, 192039 Pentair Compool 2.5" and 3" Diverter Valve O-ring Kit Quality replacement parts by TORK Distributors Fits: 2 or 3 way Diverter Valves with (2.5" - 3") PVC Pipe sizes Kit includes 2 shaft o-rings and 1 cover oring.