Air Duct Heaters
Air duct heaters are installed mainly in building ductings to provide clean and safe low pressure heated air.This type of heater consists of several hairpin tubular heaters, either ordinary or finned type, mounted on a heavy gauge steel frame. Frames are customized to suit the size of your air ducts. Can be constructed in stages and modules for easy replacement of elements.
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in section "Heatings gas devices"