I want to build an e-keggle. I have 240v (220V?) available. I am going to use a 50A GFCI breaker in the main panel, a 30A breaker and a 20A (120V) in a sub-panel. I wanted to use a 2000w 120V in my HLT and a 4500 or 5500W in the brew kettle.
What is the purpose of the SSR and PID? is it just...