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National Stock Number:
4520-01-273-5685
Federal Supply Class:
4520
National Item Identification Number:
012735685
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:
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Techincal Specification:
| DUCT HEIGHT | 9.750 INCHES | | DUCT WIDTH | 10.250 INCHES | | CURRENT RATING IN AMPS | 35.4 | | CURRENT TYPE | AC | | DEPTH | 14.937 INCHES NOMINAL | | FREQUENCY IN HERTZ | 60.0 | | HEAT DELIVERY RATE | 15558.7 BRITISH THERMAL UNIT | | HEAT MEDIUM TYPE | AIR | | HEIGHT | 12.375 INCHES NOMINAL | | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION | | INCLOSURE MATERIAL | STEEL CORROSION RESISTING | | MOUNTING TYPE | VENTILATION DUCT | | OPERATING CONTROL TYPE | THERMAL SWITCH | | PHASE | SINGLE | | SPECIAL FEATURES | MUST BE FREE FROM MERCURY CONTAMINATION | | WIDTH | 4.500 INCHES NOMINAL | | VOLTAGE IN VOLTS | 440.0 |
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