wifi switch

HI all, I have an old mechanical style timer switch controlling my pump and salt system. I bought a wifi one off amazon in the off season while it was on sale and I'm having an issue wiring it up. I'm a retired electrical engineer so I thought this would be easy but from what I can tell from...

i want to swap my pool timer with a GE Cync light switch so i can control the pool timer with my app and not spend alot of money on wifi type pool timers. i can purchase a switch with or with out the nuetral wire. these are pics of my pool cb panel, and my pool pump. how would i connect the...