AccuTherm air duct heaters are designed to heat moving air and gases up to 1200 F.
Duct Heater Options – All Series
- Moisture or explosion proof wiring enclosure
- Gas tight construction on elements to flange
- High limit thermocouple attached to sheath of element
- Special ratings & sizes
- Spare elements
- All stainless construction for high temperature or corrosive gases

Series DL Tubular Air Duct Heaters feature stainless steel elements, stainless steel element support, painted steel support rods & flange, NEMA 1 terminal enclosure, and are designed with replaceable elements.
Series DM Tubular Air Duct Heaters feature Incoloy 840 elements, stainless steel element support, stainless steel support rods, painted steel flange, NEMA 1 terminal enclosure, and are designed with replaceable elements.
Series DH Tubular Air Duct Heaters feature Incoloy 840 elements, stainless steel element support, stainless steel support rods, 3-1/2″ high temperature insulation below flange, NEMA 1 terminal enclosure, and are designed with replaceable elements.
Series ILD In Line Tubular Air Duct Heaters feature Incoloy 840 elements, painted steel frame, NEMA 1 terminal enclosure, and are designed with replaceable elements.