Reddit reviews Pentair 261050 2-Inch HiFlow Valve with Plumbing Replacement Pool/Spa D.E. and Sand Filter
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Hiflow valve with plumbing replacementFits Pentair Quad pool and spa D.E. filter models QUAD60, QUAD80, QUAD100Also fits Pentair Triton C, II and HD side mount pool/spa sand filtersMeasures 2-inch by 7-1/2-inch centerlineMeasures 2-inch
This TR-100 is the new iteration of the tried and true Pac-Fab bobbin wound filter design, so yes... this is a good filter.
I'm not a fan of the Pentair 261050 2-Inch HiFlow Valve because I recall some odd problem they had with it (may be remedied by now) AND that it has an unusual plumbing configuration - but those two things aside, it does allow a higher flow due to it's improved interior design.
The tried and true (multiport) valve is the Pentair 261055 Multiport Valve for Triton And Quad D.E. Filters, 2 Inch, 7 1/2 Inch Centerline which is pretty much their industry standard for more than twenty years now (since they stopped using Hayward multiport valves!).
So, that would be my sand filter setup of choice. Now that you're considering a more expensive filter, have you checked out Pentair's DE (diatomaceous earth) filters? Better, finer filtration in the same amount of filter time although a bit more maintenance as the media has to be replaced occasionally.
But yes, that is a good filter.