CHANGE- OVER FLOW SYSTEM

摘要

A method of changing a flow of water into a domestic appliance or service utility (17, 22, 29) which includes the steps of (i) providing a building mains water and tank water in two separate flow systems (13, 13A, 15, 15A) to the domestic appliance or service facility and (ii) converting flow of water to the domestic appliance or service facility from mains water to tank water or vice versa.