Think I've about settled on equipment:
Pentair
IntelliCenter i8PSIC60 (521903-IC60)
IntelliFlo GFCI Breaker 2-Pole 20A (PA220GF)
IntelliFlo VS 3 HP pump (11028)
Quad 60 DE filter (188592)
multi-port 2" (261055)
Sure wish I could get confirmation in my
IntelliCenter: configuring a Spa thread that my proposed pseudo-spa configuration looks possible. Started a separate thread since the Pentair pros don't seem to visit here. But think that thread's a
leper.

Since I've not seen how IntelliCenter setup works in real life, have had to "best guess" and probably seem incoherent to them. What I'm guessing now that
Spa is kind of a predefined Group/Circuit. You identify equipment mostly from the relays and set values for whatever equipment is used per Group/Circuit. Hopefully.
Price at
Wholesale Pool Equipment is almost $130 more than the same equipment from
polytec, but
Wholesale will give a company-sponsored (not
Pentair) 3 yr warranty. Seeing as pool guy #1 didn't seem too enthusiastic about my pool and pool guy #2 has never responded, I'm reluctant to contact others and am planning this now as a DIY project.
Looks like the DE filter and the cartridge ones use either the same or very close size-wise tops & bottoms. If I can find the larger ones locally and it looks like arm/shoulder movement wouldn't be a problem, may go to the 80 or 100 sq ft DE size.
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Now turning my attention to completely redoing the pool pad area. As it is now:
Alas, this is what happens when a job is interrupted and "temporary" measures are used to get it operational, particularly with the electrical.

Has both pool and irrigation controls. Looking at a complete gut job, probably including the irrigation and electrical (except for the breaker box). First thing is to replace the plastic ball valves.
Knew they were a weak link when I put them in years ago, but couldn't afford Jandy's then. Did put them on threaded connectors (except the red handled one), but in my infinite wisdom, didn't think about that the proximity and height of the handles would prevent removal. Not going to be easy to cut pipes from other side of wall, so may have to cut through the valves themselves. Plan to use 2" pipe inside pad (space permitting), but 1-1/2" pipe to/from the pool, so figure the 1-1/2" Jandy 2-way Never Lube is appropriate.
Or I could just leave the ball valves as is as artifacts not to be used and add the Jandy's after them...
Other side of the wall feeding the ball valves, top row is electrical & blower air, bottom row is to ball valves:
