These are type of heating bundles or units made to fit in directly with the duct used in building for comfort heating or process heating. Duct heaters can be used in applications to heat air and gases. Duct heaters are available in 3 fittings and they are
Flanged fitting- In flanged fitting tubular heaters are welded brazed or fitted on a flange and the flange in turn can be placed in the opening provided in the duct. Modular Duct heater- Tubular elements in this case are fitted directly in a modular duct thereby reducing the effort and down time caused by replacing and removing the flanged heater from the duct.

These are type of heating bundles or units made to fit in directly with the duct used in building for comfort heating or process heating. Duct heaters can be used in applications to heat air and gases. Duct heaters are available in 3 fittings and they are
Flanged fitting- In flanged fitting tubular heaters are welded brazed or fitted on a flange and the flange in turn can be placed in the opening provided in the duct. Modular Duct heater- Tubular elements in this case are fitted directly in a modular duct thereby reducing the effort and down time caused by replacing and removing the flanged heater from the duct.