Reducing Tee VIEGA 22 x 22 x 15 mm model 315047 — plumbing fitting

VIEGA reducing tee 22 x 22 x 15 mm (model 315047) is a plumbing fitting designed to create a branch from a 22 mm main line while reducing the branch line to 15 mm. The component is intended for use in potable water and heating systems where compatible materials and connection methods are applied. It provides a compact solution for pipe size transition and branching in both domestic and light commercial installations.

Advantages

This reducing tee combines a straightforward geometry with reliable material quality typical of VIEGA components, allowing for a neat and space-efficient branch connection. The design minimizes flow disruption at the junction while enabling a smaller-diameter branch without additional adapters. Its compact form factor simplifies routing in confined installations and contributes to consistent hydraulic performance when installed according to system requirements.

Suitable for

• Branching potable water distribution lines in residential buildings
• Creating reduced-diameter branches for heating circuit loops
• Plumbing repairs and retrofits where a 22 mm main must feed a 15 mm branch
• Light commercial plumbing runs with compatible pipe materials and fittings

Key specifications

• Main pipe size: 22 mm
• Branch pipe size: 15 mm
• Function: reducing branch tee for pipework
• Application: potable water and heating systems (where material compatibility and connection type are suitable)
• Form factor: compact tee for in-line branch and reduction

How to use

Install the reducing tee inline on a 22 mm run, orienting the 15 mm branch toward the required feed direction. Ensure all pipes and the fitting are clean and free of debris before assembly. Use the connection method specified for your system (for example, press, solder, or threaded connections) and follow the manufacturer's instructions and local plumbing codes. Confirm sealing and mechanical support after installation and perform a pressure test appropriate for the system to check for leaks.

Usage recommendations

Verify material and connection compatibility with existing pipework and follow applicable standards for potable water or heating installations. Support the branch and main lines to prevent stress on the fitting, and consider thermal expansion, accessibility for maintenance, and valve placement downstream of the tee.