The McAlpine 90 Degree Bend 1 1/4″ Female X Male – S4U provides a dedicated directional plumbing fitting specifically designed to complement the MacValve self-closing waste valve system. Specifically, it offers a secure 90° transition for waste routing where plumbing design requires a sharp turn into the valve.
Therefore, the McAlpine S4U suits precise plumbing configurations that incorporate a 1 1/4″ MacValve installation. Additionally, it features a 1 1/4″ female inlet nut on one end and a 1 1/4″ BSP male connector on the other, which simplifies connection directly to the valve unit and ensures a secure joint.
The S4U forms an essential part of McAlpine’s innovative MacValve range. As a result, it delivers dependable operation by ensuring proper fit and function exclusively with MacValve systems across domestic plumbing applications.
Key Features & Benefits of McAlpine 90 Degree Bend 1 1/4″ Female X Male – S4U:
Dedicated MacValve Compatibility: The fitting is specifically engineered only for use with McAlpine MacValve systems. Consequently, it guarantees a seamless and reliable fit where a compatible MacValve is installed.
Optimal 90° Routing: Features a strict 90° angle, allowing you to neatly channel wastewater around corners or direct flow efficiently into the main valve unit.
Secure Threaded Connections: Incorporates a 1 1/4″ female inlet nut and a 1 1/4″ BSP male connector. Therefore, it contributes to a secure, watertight seal without the need for complex adaptors.
System Integration: Works in tandem with the MacValve to prevent foul odours or sewer gases from entering the building, supporting a system that never dries out through evaporation.
Trusted McAlpine Quality: McAlpine manufactures this component, ensuring dependable performance and high manufacturing standards for specialized waste valve setups.
Technical Specifications:
Product Type: 90° Bend Connector
Model: S4U
Application: Exclusively for use with MacValve self-closing waste valves
Inlet Connection: 1 1/4″ Female Inlet Nut
Outlet Connection: 1 1/4″ BSP Male Connector
Angle: 90°
Manufacturer: McAlpine







