Code
    WMTS-477:2016
    Name
    Rainwater/mains supply changeover devices
    Description
    This WaterMark Technical Specification sets out requirements for manual or automated changeover devices of nominal sizes DN 20/25 and maximum allowable operating pressures up to and including 1600 kPa, which enable the interconnection from a pressurized rainwater tank supply and a water service to designated fixtures and outlets.
    WM Specification File
    WMTS-477-2016-Rainwater-mains-supply-changeover-devices.pdf (579.58 KB)
    WM Specification
    Yes