Reducing Tee VIEGA 22x15x22 mm model N25 for plumbing connections

Reducing Tee VIEGA 22x15x22 mm model N25 for plumbing connections is a three-way fitting designed to join two parallel runs with a reduced branch. Made to provide a reliable transition between 22 mm and 15 mm pipe diameters, this fitting is suitable for potable water and heating systems where consistent flow and correct pipe sizing are required. The component is intended for mechanical pipe joining methods and integrates into systems where secure, compact branching is necessary.

Advantages

The reducing tee offers a compact footprint and consistent internal flow paths that minimise pressure loss at the branch. Its dimensional compatibility with common 22 mm and 15 mm plumbing pipes simplifies system layout and reduces the need for additional adapters. The design supports typical installation practices for water distribution and heating circuits and provides a durable mechanical joint when used with appropriate joining methods.

Suitable for

• Domestic and commercial potable water distribution
• Central heating and radiator connections
• Branching supply lines to smaller-diameter circuits
• Plumbing repairs and retrofits where a step-down branch is required

Key specifications

• Configuration: reducing tee with one reduced branch
• Connection sizes: two outlets at 22 mm, one branch at 15 mm
• Material: manufacturer-standard fitting material suitable for potable water and heating applications
• Application: potable water systems and heating circuits
• Installation type: mechanical plumbing connection compatible with 22 mm and 15 mm pipe systems

How to use

Position the reducing tee at the intended branch point in the pipe run, ensuring pipe ends are clean, deburred and the correct insertion depth is achieved for secure mechanical engagement. Follow the chosen joining method’s instructions—such as press-fitting, compression, or specified mechanical coupling—appropriate for the pipe material and the fitting. After assembly, inspect joints visually and, where applicable, perform a pressure test according to local codes to confirm leak-free connections.

Usage recommendations

Verify compatibility between the reducing tee and the pipe material and joining method before installation. Use appropriate tools and follow local plumbing codes for potable water and heating systems. Where required, perform system flushing and pressure testing after installation to ensure reliable operation.