483-757 BOARD UPPER PLUG SE210

Rigidized ceramic board for the upper plug on the Super E210 Wood Gun wood gasification boiler, sized 1 in. x 13-1/8 in. x 4 in. The board insulates behind the upper plug brick, keeping heat inside the combustion zone and off the surrounding steel. One is required per boiler. It can be ordered on its own or as part of the complete upper plug assembly.