I haven't used a 2k in mashing but I thinking the scorching issue comes from people not cleaning their elements between batches, to be honest.
You didn't say what size batches you do? 5? 10? How much power is available? 120V or 240V?
On Tap: Newtown Pippin Cider, IPA
Aging: Ceyser, Graff
Secondary: Dark Plum Sour Ale, Golden Nectarine Sour Ale, Sour Elderberry Stout
Potential next brews: Nut Roll Brown Ale, Crossover lager, Yeungling clone, APA