I use 1-15 amp circuit and 1-20 amp circuit for my brew house. I run a 2000w off the 20 amp and 1650w off the 15 amp. I have the 1650w element controlled by an inkbird ipb-16, and have this set up in both my hlt and bk. Works great.
The 2000w is a stainless steel one off amazon for $28, and the...