Electric circular duct heaters/preheaters without integrated control for ventilation systems EHC...

Electric circular duct heaters/preheaters without integrated control are intended to be used for heating of clean air in the ventilation systems. Also heaters/preheaters can be used for heating or preheating function with air handling units. The heater/preheater cases are produced from aluzinc coated metal sheet, sealing rubber for tight connection with ventilation duct system. The stainless steel tubes of heating elements are used in the heaters/preheaters.