Featured in this 64-page catalog is the company's line of electric duct heaters, designed for a wide range of commercial and industrial applications, including wet, dusty, and corrosive environments. The catalog ("Electric Duct Heaters") outlines various features of the company's standard open-coil duct heaters; standard finned-tubular duct heaters, now with stainless steel element construction as a standard feature; custom duct heaters; explosion-proof duct heaters; and custom duct heaters. It serves as an engineering guide, complete with construction features, heater dimensions, airflow characteristics, installation guidelines and control options, as well as writing diagrams, sample specifications, order information, and more.

- Indeeco

St. Louis