A-102-1 Electric Duct Heater Brochure - Brasch

Bottom TerminalBoxesBOTTOM INSERT—slip-in heater inserts througha hole in the bottom of a horizontal duct. Internalterminal box contains resistance coil terminations,automatic reset and secondary thermal cutouts, allprewired to terminal blocks in field terminal box.Control components such as contractors, fusesand transformers are mounted in bottom terminalbox. Specify W and H dimensions (minimum Wdimension is 12").RAINTIGHT HEATER—UL Listed for outdooruse; formed of heavy gauge galvanized steel,sealed with high temperature sealant. May besupplied with recessed construction. Flangedconstruction fits any horizontal, rectangular duct.Available with standard built-in components thatdo not protrude through door such as contactors,fuses, transformers, step controller, PE switches,etc. Insulated terminal box or insulated flange arenot available UL Listed. Consult local representativefor additional information. Not suitable for usein salt spray environments.BULLETIN A102-111