Pack of 5 McAlpine 21.5mm Universal Compression Overflow Tee Fittings – R3M

Features

This 21.5mm universal compression overflow tee creates a three-way connection in overflow and condensate pipework. Each McAlpine R3M fitting features three universal compression connections, making it suitable for joining different pipe sizes without the need for solvent glue.

• Pack of 5 genuine McAlpine R3M universal compression tees.
• Three-way equal tee design for branching or joining overflow pipework.
• Universal compression connections accommodate pipe sizes from 19mm to 23mm.
• Suitable for standard 21.5mm metric overflow and condensate pipe.
• Compatible with older 3/4″ imperial overflow pipework.
• Can connect different types of overflow pipe, including grey push-fit and standard white solvent-weld pipe.
• Also suitable for 22mm or old 3/4″ copper tube when used for wastewater or discharge applications only.
• Mechanical compression connections provide a secure joint without solvent cement or glue.
• Ideal for bathroom overflow systems, boiler condensate discharge and other non-pressurised drainage applications.
• Quick and convenient installation without specialist tools.

Technical Specifications

• Quantity: 5 complete compression tee fittings
• Brand: McAlpine
• Manufacturer Part Number: R3M
• Fitting Type: Universal equal compression tee / 3-way branch
• Colour: White
• Material: Polypropylene
• Connection Type: Universal compression
• Pipe Size Range: 19mm – 23mm
• Nominal Pipe Size: 21.5mm / 3/4″
• Number of Connections: 3
• Installation: Mechanical compression – no glue required
• Compatibility: Metric and imperial overflow pipework
• Applications: Overflow pipes, condensate lines and non-pressurised wastewater discharge
• Pressurised Systems: Not suitable for pressurised pipework

Details

Connecting older imperial overflow pipework to modern metric systems can be difficult, particularly when different pipe sizes or fitting types meet. These McAlpine R3M universal compression tees provide a straightforward solution by accommodating pipe diameters from 19mm to 23mm.

Each fitting features three universal compression connections, allowing you to create a three-way junction without using solvent cement. Furthermore, the flexible sizing makes these tees particularly useful when connecting older 3/4″ overflow pipe to modern 21.5mm metric systems.

The universal design also allows you to connect different types of overflow pipework, including grey push-fit pipe and standard white solvent-weld pipe. As a result, you can join existing installations without having to replace longer sections of pipework.

You can also use these fittings with 22mm or older 3/4″ copper tube where the application involves wastewater or discharge only. However, McAlpine does not recommend this application for pressurised pipework.

Important: These fittings are designed for non-pressurised overflow, condensate and discharge applications. Do not use them on pressurised water supplies. Always check that your pipe measures between 19mm and 23mm externally before ordering.

Discover

Explore our full range of Universal Compression Overflow Fittings – CLICK HERE.