Domestic room and water heating equipment - has ambient air passing through heat exchanger in flue for room heating

摘要

The domestic heating equipment has a flue leading to the chimney, there being a heat exchanger (4) mounted in the flue (3). Ambient air is delivered to the heat exchanger, for room heating. A filter (2) can be mounted in the flue before the heat exchanger, together with a soot extractor, while there can be a fan (5) after it. An air filter can be provided in the intake to the heat exchanger, and there is a humidifier (13) in the outlet to the room. Provision can also be made for heating washing water.