Pentair Compool 1.5" and 2" Diverter Valve O-ring Kit 51016200, 192039 51016200, 192039 Fits 1.5" - 2" valves Both 2 and 3 Way you get: 2 shaft and 1 cover Aftermarket Professor Foam O rings Pentair Compool 1.5" and 2" Diverter Valve O-ring Kit