Original heating trade vintage catalog for RUDD MANUFACTURING COMPANY Main office was located in Atlanta, GA. Manufacturers of heat pump water heater. Heat exchanger, water inlet and outlet, condensate drain, pump, compressor, evaporator coil, fan motor assembly, control module, fan grill, switch construction features are illustrated. City Investing Company. Disbound from a large 1982 home builders heating catalog, this unique old two page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library. Pages are detached and may contain a small amount of residual glue on edge.