@Bwoodham = indexing valves and flex daily are incompatible as flex can skip zones, but the indexing valve can’t. One can replace the indexing valve with 24 VAC valves and use flex. Here are some posts that show how that is done, the first post also should have pictures on how to wire in the pump start relay (Rachio M and C(ommon) to the pump start relay, and activated in the application and 120/220 VAC to the pump start relay).
How many HP is the well motor?