|  | 
                            
                                |   | 
		                    
		                        | National Stock Number:
 4520-01-232-7968
 
 Federal Supply Class:
 4520
 
 National Item Identification Number:
 012327968
 
 Description:
 HEATER,VENTILATION,DUCT TYPE
 
 Detail:
 A HEAT TRANSFERRING UNIT UTILIZING A SEPARATE SOURCE OF STEAM OR HOT WATER AS THE HEAT TRANSFER MEDIUM. IT CONSISTS OF FINNED PARALLEL TUBES JOINED TOGETHER BY A HEADER OR HEADERS AND IS DESIGNED FOR INSTALLATION IN THE DUCTS OF A FORCED AIR CIRCULATING SYSTEM. IT MAY BE PROVIDED WITH A FLANGED OUTER CASING TO FACILITATE MOUNTING OF THE UNIT 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.
 | 
		                    
		                        | 
 Manufacturer Information:
 
 | VDH18X16-2-422-3-12NM | 17032 | VALAD ELECTRIC HEATING CORP. | 
 | 
				            
					            | 
 Techincal Specification:
 
 | DEPTH | 15.500 INCHES NOMINAL |  | HEAT DELIVERY RATE | 75000.0 BRITISH THERMAL UNIT |  | HEAT MEDIUM TYPE | AIR |  | HEATING ELEMENT TYPE | ELECTRIC NONIMMERSION |  | HEIGHT | 16.000 INCHES NOMINAL |  | MOUNTING TYPE | VENTILATION DUCT | 
 |