HEAT EXCHANGER FOR A GAS HEATING APPARATUS AND A GAS HEATING APPARATUS COMPRISING SUCH A HEAT EXCHANGER.

摘要

P A heat exchanger comprising elements which are heated by the burner of the heating apparatus and by the flue gases and which, in use, are in direct or indirect contact with a heat transfer liquid to be heated, particular of water. BR/ The exchanger (1) consists of an elongated tubular sectional piece (2) comprising a closed circumferential wall (3). The elements of the exchanger are parts of the profile (4) which are connected directly or by other intermediate parts of the profile to the circumferential wall (3). Several of these parts of the profile (4) form at least one channel (6) extending along the length of the profile and intended at least for the evacuation of burnt gases. BR/ Beneficial application to combined central heating installations. / P