The McAlpine Z28M-NRV In-Line Non-Return Valve is a plumbing component that is designed to prevent backflow of water in a system. It is commonly used in wastewater and drainage systems to ensure that water flows in one direction only. The valve features universal connections that make it easy to install in a variety of different plumbing systems. It also has a top access feature that allows for easy cleaning and maintenance, which is important to ensure the valve functions properly over time. The Z28M-NRV model is a specific type of non-return valve that is designed for in-line use. This means that it can be installed directly into a pipe or conduit, without the need for additional fittings or connectors. Overall, the McAlpine Z28M-NRV In-Line Non-Return Valve is a reliable and durable component that can help to prevent water damage and maintain the integrity of plumbing systems. Its universal connections and top access for cleaning make it a convenient and practical choice for many different plumbing applications. Prevents back flow of water Must be installed in the horizontal position Should only be used when there is no alternative 2" Universal Connnections Top Access for easy cleaning

It is designed and manufactured by McAlpine, a UK-based company that specializes in plumbing products.

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