Talk to Polaris customer support; their pressure side cleaners *might* be able to do it, and it would certainly be simpler with one cleaner, than with two.
If you find out that two are needed, you may want to set up a timer that can switch the booster pump ON/OFF (timer core #1) and operate a powered Jandy valve (timer core #2) to SWITCH between cleaners. I can just imagine the tangles, if you let them both run at the same time!
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