Once it’s hot, keep it hot - the HOTMASTER is constructed using a pressure-tested steel drum, mounted on a well-balanced cart with three 400x8 Non-Flat Lite tires, one a locking swivel wheel. Insulated model is covered with 2” thick fiberglass and set inside a sheet metal outer shell. Includes a 2.5” Draw-off Valve set 27” above ground level. Note: 110 Gallon hot luggers are available on special order. Note brake detail. By locking the swivel wheel at a 90 degree angle, the Hotmaster will not roll off the roof.