Original heater trade vintage catalog for THE CLEVELAND HEATER COMPANY. was located at 2302 Superior Avenue, Cleveland, OH. Manufacturers of Rex Airate Ventilating equipment, SK and Attic-Pak models provide economical ventilation and air cooling in homes, commercial industrial and institutional locations. Rex Electric water heaters are made in four styles and in a wide range of storage and heating capacities. Disbound from a large 1948 architect construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library.