Heating device

摘要

The device has a heat exchanger that is made of an aluminum-cast material and forms a combustion chamber (2) and a heating gas draft (3). A displacement body is provided for controlling the heating gas, and consists of an upper part (7a) near the combustion chamber and a lower part (7b) attached to the upper part. The lower part of the displacement body consists of a fixed base body with a flexible casing fixed in a portion.