Trust me, that burner is not tiny, nor light weight. You'll find that the silver burner area is 9-10 inches in diameter, and those bent steel supports are very very solid.
you could stand on it and not damage it. It'll hold 60lbs of wort easily.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10