Don't think about that gfci, do. You must be safe brother. Otherwise I think your plans sound solid. I'd do 240v service with 5500w elements for a faster brew day and to allow for expansion if you move up to 10g.
Thanks for this post. I just built one and I love it. I got my hands on a turbo 500 boiler brand new for $50 and use this with is like a grainfather setup only I use it to do a precise mash only and run off to my boil kettle.
Hey guys and gals, just wanted to say hi and I finally took 2 seconds to sign up. You've all been helping me for years as a lurker and I'm looking forward to making some more friends. Brew in a bag electric, member of bloatarian brewing league (BBL) and I work at municipal brew works in Hamilton...