HDE circular duct electric heaters are intended for installation in ventilation systems where it is necessary to raise the temperature of supply air or to maintain it at a constant level. HDE circular duct electric heaters are designed to be compatible with in-line duct fans. HDE circular duct electric heaters may be used to heat the air in shops, offices, houses, workshops, garages, warehouses or production halls, provided that the mentioned rooms meet the installation requirements specified in this user manual.
HDE-CO circular duct electric heaters are intended for installation in ventilation systems where it is necessary to raise the temperature of supply air or to maintain it at a constant level. HDE-CO circular duct electric heaters are designed to be compatible with in-line duct fans. HDE-CO circular duct electric heaters may be used to heat the air in shops, offices, houses, workshops, garages, warehouses or production halls, provided that the mentioned rooms meet the installation requirements specified in this user manual.
