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The Duo valve provides isolation and prevents the backflow of water from a water heater to the mains line.
The Combination Non-Return Isolating Valve combines the mandatory functions of an isolating valve and non-return valve for the installation of pressurised water heaters. They are installed in the supply line for the water heater.
They are available in 15mm in 2 common configurations, FF BSP and Internal Flare. The body is made from DZR Brass to comply with Australian standards and conditions.
Features and Benefits
- Integral construction of non-return valve and isolating valve
- One piece unit for tidy, simple and economical installation
-Â No intermediate joins or fittings, reducing the opportunity for leaks and faults
-Â Tamper-proof non-return valve
-Â Dezincification resistant
-Â Meets Australian Standard for potable water supply
-Â Valve designed to work effectively in vertical or horizontal orientation
Installation is subject to the requirements of the applicable regulatory authority, the National Construction Code Volume Three Ã¢â‚¬â€œ Plumbing Code of Australia, associated reference standards as
applicable at the time and AS/NZS 3500.1.