Hot water cylinder for heating domestic used water from heating system

摘要

A collector compartment (5) has an inlet (3) and outlet (4) and contains a heat exchanger (6) for heating the used water. A pressure expansion receptacle has a gas (13) and water (12) compartment separated by a membrane (11). The exterior of the collector compartment is entirely enclosed in preferably plastic foam insulation (8) inside which is at least one pressure expansion receptacle (9). The water compartment is preferably detachably connected (16) outside or inside the insulation to a service water circuit. The end of the gas connection (14) has a valve.