What model circuit board do we buy? Our Hayward goldline Aquaright salt generator hasn't worked in a few months. The pool is only 4 years old. We have tried to replace the current limitor (it's cracked) but with an added heat panel it is difficult to solder. Plus the new limitor is smaller than the one on the panel. Just decided to buy a new circuit board. Ours is a PN 01-066012e-1. Online I see a few options to buy. All look slightly different but similar to ours. Any advise on what to buy and not buy? Thank you!!!