Water heaters are intended for heating of air in systems of conditioning and ventilation of a rectangular cross section.
The body of the heater is made of galvanized sheet. Tube collectors are welded from steel tubes with a surface finish with synthetic paint. The surface of heat exchange is made of aluminum plates in thickness of 0,1 mm, stretched on copper tubes. A standard two-row operation with alternating geometry.
The maximum permissible water temperature is 100 ° C. The maximum permissible pressure is 1.6 MPa.