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    Spa won't bubble / agitate after replacing Single-Speed with VS pump

    First post, thanks in advance for any help you can provide on this issue. I replaced my 9 yr old single-speed 2HP pump with a new Pentair VS 3HP pump (11018). I've got it hooked up to a Zodiac (Jandy) iAqualink kit and everything is working great. That is everything except when I run the spa...