The McAlpine Compression Connection Straight Connector – S28L-ISO provides a highly effective pipe connection solution for domestic waste installations. Specifically, it offers a secure and reliable method to connect standard UK 1¼” imperial waste pipes to 32mm European metric pipework while protecting the integrity of your plumbing system from leaks.
Therefore, the McAlpine S28L-ISO suits bathroom and vanity unit installation projects that feature mixed pipe sizes.Additionally, it acts as a dedicated inline adaptor specifically designed for bridging different manufacturing standards, which simplifies installation and ensures a clean, secure, and entirely watertight transition.
The S28L-ISO forms part of McAlpine’s trusted range of plastic Multifit waste fittings. As a result, it delivers dependable operation across a wide variety of domestic plumbing applications and serves as a key component when connecting plastic, copper, or lead waste pipes.
Key Features & Benefits of McAlpine Compression Connection Straight Connector – S28L-ISO:
Dual-Compression Connection: The fitting is designed with independent compression sockets on each side to safely adapt a true 32mm European pipe to a standard UK 1¼” pipe. Consequently, it provides a convenient and cost-effective plumbing solution when you need to connect mismatched pipes securely without the use of messy solvent cement.
Simple Integration: Functions as a dedicated straight multifit connector, allowing you to upgrade vanity sink wastes and plumbing systems efficiently without needing complex modifications or specialized tools.
Certified Compatibility: The fitting suits all plastic waste pipes to BS EN 1451-1:2017 and BS EN 1329-1:2020 standards, as well as copper and lead. Therefore, it contributes to a safe, reliable installation that meets strict domestic plumbing requirements.
Problem-Solving Design: Overcomes issues with cross-border installation nightmares and leaking joints, helping you easily reduce installation time while maintaining a professional and entirely watertight seal.
Trusted McAlpine Quality: McAlpine manufactures this component from durable white polypropylene, ensuring dependable performance and high manufacturing standards.
Technical Specifications:
Product Type: Compression Straight Connector / Waste Pipe Adapter
Model: S28L-ISO
Application: Connecting UK 1¼” plumbing to 32mm European metric pipework
Material: High-Grade Polypropylene
Manufacturer: McAlpine







