Would it be a good idea to split the return and use 2 penductors attached to 3/4" locline in the tank? Or is it too much backpressure for this type of pump?
A Sequence Snapper is not designed to handle penductors/eductors. They are flow biased, rather than pressure rated, so they will follow the path of least resistance. Champion does sell 1/2" penductors, which you may be able to make things happen with (I will), but overall, I would not use Snapper and Penductors/eductors on the same line. The pump being flow biased will dial down before it tries to push pressure.
Hope this helps.