New Electric System

So after several years on propane I decided to go all electric.

I already purchased several pieces of the system and admittidly have a few questions.

Going to do a single element 4500w with a single pump. Switched PID, Element, and Pump outlet.

The real question I have is could I remove the guts from the spa panel and place them inside my enclosure. I am thinking this is no different then the other way it just removes a plug and makes for smaller footprint overall.

The second is would someone please look over my schematic and let me know if I am missing anything that might kill me.

Thanks for the help!

yes, if your encousure is big enought putting the spa panel inside would work just fine.

The only concern that I have about putting the GFCI in the control panel is that you still have power present even after tripping the GFCI. It's probably not a big problem, but my preference is to have all power shut off to the control if there is a fault.