Collective duct made from concrete or equivalent material, of the shunt type, containing the hot-water storage tank, the down pipe and the rising main of a sanitary assembly and acting as a mechanical ventilation conduit.

摘要

Duct intended for the passage of the rising main 4 and of the down pipe 2 of a sanitary building assembly, characterised in that it is formed from superposed elements 1, made from concrete or equivalent material, of storey height; in that it furthermore contains the hot-water storage tank 5 and is arranged in order to act as a collective mechanical-ventilation conduit. <IMAGE>