It is used for heating the supply, recirculating air or their mixture in compact stationary ventilation and air conditioning systems of industrial, public or residential buildings; 

Designed to heat air using hot water as a heat carrier; 

Processed air must be treated and free of solid, fibrous, sticky or aggressive impurities that can cause corrosion of copper, aluminum and zinc.  

The duct air heater CASING is made of galvanized steel. The heat-insulating surface is formed by rows of copper tubes fi nned with corrugated plates of aluminum foil. The heater manifolds are made of steel pipes.