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		                             National Stock Number: 4520-01-377-6670
  Federal Supply Class: 4520
  National Item Identification Number: 013776670
  Description: HEATER,DUCT TYPE,STATIONARY
  Detail: A DEVICE CAPABLE OF PRODUCING HEAT FROM GAS, LIQUID FUEL, OR AN ELECTRICAL HEATING ELEMENT DESIGNED FOR PERMANENT INSTALLATION IN SHEET METAL DUCTS OF A FORCED AIR CIRCULATING SYSTEM. IT CONSISTS OF (1) A FINNED, STEEL BURNER TUBE, A COMBUSTION AIR BLOWER, A CONTROL PANEL, AND A CONSTANT LEVEL FUEL SUPPLY SYSTEM OR (2) A DEVICE HAVING A HEATING ELEMENT WHICH WHEN CONNECTED TO AN ELECTRICAL SOURCE, DIRECTLY IMPARTS HEAT. IT MAY BE PROVIDED WITH A FLANGED OUTER CASING TO FACILITATE MOUNTING IN PLANNED OR EXISTING DUCT WORK. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN NOT INTEGRAL WITH THE HEATING UNIT.
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  Manufacturer Information:
 | L210A0:B10039 | 74924 | INDEECO LLC |  | L210A0:B10039 I | 74924 | INDEECO LLC |  | L210A0:B10039 PIECE 19 | 74924 | INDEECO LLC |  | TAG NO.20RH | 74924 | INDEECO LLC |   
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  Techincal Specification:
 | CURRENT RATING IN AMPS | 15.62 |  | CURRENT TYPE | AC |  | DEPTH | 14.000 INCHES NOMINAL |  | FREQUENCY IN HERTZ | 60.0 |  | HEAT DELIVERY RATE | 25590.0 BRITISH THERMAL UNIT |  | HEAT MEDIUM TYPE | AIR |  | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |  | HEIGHT | 12.000 INCHES NOMINAL |  | INCLOSURE MATERIAL | STEEL CORROSION RESISTING |  | PHASE | SINGLE |  | MOUNTING TYPE | VENTILATION DUCT |  | OPERATING CONTROL TYPE | THERMOSTATIC |  | VOLTAGE IN VOLTS | 480.0 |  | WIDTH | 29.312 INCHES NOMINAL |   
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