Generic Pentair Multiport Valve 1.5" Replaces 261173. Made by CMP. 261173 side mounted multiport valve works with select Pentair Triton filters and is pre-plumbed and designed for maximum working pressure and performance. The large one piece handle makes operation simple and the 1 1/2" PVC slip ports make installation easy. The valve features a 6-position operation including a special winterizing position.