Duct Heater NSN: 4520-00-273-1278
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Duct Heater-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.
| Duct Height: | 21.250 inches |
| Duct Width: | 56.000 inches |
| Depth: | 7.000 inches nominal |
| Heat Directing Device: | Radial diffuser-vertical vanes |
| Heat Discharge Outlet Type: | Stationary |
| Heat Medium Type: | Hot water or steam |
| Heat Outlet Quantity: | 1 |
| Heating Element Type: | Hot water coil or steam coil |
| Heat Delivery Direction: | Horizontal |
| Height: | 24.250 inches nominal |
| Maximum Pressure Limit: | 35.0 pounds per square inch gage |
| Mounting Type: | Ventilation duct |
| Operating Control Type: | Any acceptable |
| Inclosure Material: | Steel |
| Special Features: | Tube has 60 fins per ft.,conforms to mil-h-16235c |
| Width: | 66.750 inches nominal |
| Surface Treatment: | Zinc |
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