Thermcraft's front-loading box furnace with pneumatically operated vertical lift door features a 20 in. x 20 in. x 36 in. (508 mm x 508 mm x 915 mm) heated chamber and is rated 75 kW, 480 VAC for operating temperatures to 2200 F (1205 C). This furnace system includes a complete temperature control system with high-limit controller and recorder. The system's heavy-duty design ensures maintenance-free operation and is available with natural gas or propane heat source. Thermcraft Inc. has been a leader in meeting the heat-treating needs for science and industry since 1971 and has representatives worldwide. (