I use two 2000w heat sticks for 12.5 gallon boils. A single 2000w stick with a 20 amp gfci outlet should be fine for you.
I'd pass on infinite control switches. Not necessary for boiling or heating sparge water if you have a 1500w to 2000w element.
On Tap: Belgian Barrel Aged Barleywine, Da Yooper's Oatmeal Stout, Breakfast Stout, Hop Your Face Off IIPA, Catcher in the Rye Saison, "Wino-head" Nelsin Sauvin Gumballhead.
Bourbon Barrel Duchesse De Bourgnone
Fermenting English Mild
on Deck: Lager?