The McAlpine In-Line Non-Return Valve 32mm – S28M-NRV provides a highly effective backflow prevention solution for domestic plumbing installations. Specifically, it offers a secure and reliable method to prevent a back flow of water when you need to protect your drainage system.
Therefore, the McAlpine S28M-NRV suits drainage modifications and repair projects that feature backflow risks. Additionally, it acts as an in-line valve specifically designed for horizontal installations and features universal connections, which simplifies installation and ensures a secure joint.
Secure Backflow Prevention: The fitting is designed to prevent a reverse flow of water in horizontal waste pipe installations. Consequently, it provides a convenient and cost-effective plumbing solution when you need to protect against flooding and back-siphoning.
Top Access Maintenance: Features a top access design, which allows for easy cleaning and maintenance of the internal valve mechanism.
Simple Integration: Functions as a dedicated in-line valve, allowing you to upgrade wastewater systems efficiently without needing complex modifications.
Versatile Connections: Incorporates 1¼” universal connections on both ends. Therefore, it contributes to a secure, watertight seal and fits standard plastic waste pipes seamlessly.
Problem-Solving Design: Overcomes issues with reverse water flow in horizontal pipe runs, helping you easily reduce risks and eliminate flooding concerns during system surcharges.
Trusted McAlpine Quality: McAlpine manufactures this component, ensuring dependable performance and high manufacturing standards.
Technical Specifications:
Product Type: In-Line Non-Return Valve
Model: S28M-NRV
Application: Preventing back flow of water (horizontal installation only)
Connection: 1¼” Universal
Manufacturer: McAlpine







