Electrical heating equipment, namely, duct heating units and HVAC electric duct heaters

Electrical heating equipment and heating units and replacement parts therefore, namely, commercial and industrial electrical process heaters that are for use within a machine or as a part of a machine, namely, open coil heaters for supplying heat directly to circulating air and liquids, electrical tubular heaters for supplying heat directly to air, liquids and metals, and electrical finned tubular process air heaters for supplying heat directly to circulating air within a machine; and enclosu...

ELECTRIC HEATERS-NAMELY, STRIP HEATERS, CARTRIDGE TYPE HEATERS, AIR HEATERS, FORCED AIR HEATERS, TUBULAR HEATERS OF VARIOUS TYPES, AND CONTROLS FOR THE AFOREMENTIONED HEATERS PRIMARILY FOR INDUSTRIAL USE