The McAlpine compression & BSP connections straight connector – S31U provides a dedicated plumbing fitting specifically designed to complement the MacValve self-closing waste valve system. Specifically, this S31U straight connector offers a secure linear transition for waste routing where your plumbing design requires a direct connection into the valve.
Therefore, the McAlpine S31U suits precise plumbing configurations that incorporate a 1¼” MacValve installation. Additionally, the compression and BSP connections on this straight connector feature a 1¼” BSP male thread on one end and a 1¼” universal connection on the other. This setup simplifies joining the McAlpine S31U directly to the valve unit and ensures a secure joint.
This fitting forms an essential part of McAlpine’s innovative MacValve range. As a result, the McAlpine compression & BSP connections straight connector – S31U delivers dependable operation by ensuring proper fit and function exclusively with MacValve systems across domestic plumbing applications, and fits 1¼” waste systems specifically.
Key Features & Benefits of McAlpine Compression & BSP Connections Straight Connector – S31U:
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 Straight Routing: Features a straight design, allowing you to neatly channel wastewater directly into the main valve unit without directional changes.
Secure Connections: Incorporates a 1¼” BSP male thread and a 1¼” universal connection. 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 specialised waste valve setups.
Technical Specifications:
Product Type: Straight Connector
Model: S31U
Application: Exclusively for use with MacValve self-closing waste valves
Inlet Connection: 1¼” BSP Male Thread
Outlet Connection: 1¼” Universal Connection
Manufacturer: McAlpine







