A water storage and distribution system having a fresh water pollution prevention valve

摘要

A system (209) for storing and distributing water, the system comprising:- a water tank (230) having a fresh water inlet (232), a collected water inlet (234), and a main water outlet (236);- a fresh water conduit (242) connected to the fresh water inlet; and- a main drain (248) connected to the main water outlet, wherein the system does not have a water tank bypass connecting thefresh water conduit (242) to the main drain (248),the system being characterised by a fresh water pollution prevention valve (244) in the fresh water conduit.