About the size of a 55 gallon drum, mounted on a concrete base at a state park/campground. Next to a little-used gravel road running by a small utility building next to a
Can 55 gallon metal drums be used in hot water production (energy forum at permies)
Used Stainless Steel Barrels: 55 Gallon Stainless Steel Drums & More | Bubba's Barrels