VIEGA 4718 Trójnik 16 Pexfit — pipe fitting tee 16 mm

VIEGA 4718 Trójnik 16 Pexfit — pipe fitting tee 16 mm is a three-way fitting from the Pexfit series designed for 16 mm polyethylene (PEX) piping systems. Manufactured by VIEGA, this tee provides a reliable branch connection for potable water distribution and heating circuits. The fitting is intended for use with 16 mm PEX pipes and is suitable for residential and light commercial installations where compact, robust connections are required.

Advantages

The Pexfit 16 mm tee offers a compact footprint and consistent dimensional tolerance to ensure a secure fit with compatible 16 mm PEX pipes. Constructed to meet industry standards for plumbing fittings, it supports reliable hydraulic performance and reduces the risk of leaks when installed correctly. The design facilitates straightforward integration into existing PEX networks and is appropriate for systems that require stable flow distribution or branching.

Suitable for

• Domestic potable water distribution with 16 mm PEX lines
• Underfloor heating manifolds and small heating circuits
• Branching runs in apartment and house installations
• Light commercial plumbing applications using 16 mm PEX tubing

Key specifications

• Type: three-way tee fitting for PEX piping
• Pipe size compatibility: 16 mm
• Material: PEX-compatible fitting (manufactured by VIEGA to match Pexfit system requirements)
• Application: potable water and heating circuits
• Installation: press/connection type compatible with Pexfit system (follow system-specific joining method)

How to use

Prepare the 16 mm PEX pipes by cutting square and deburring the pipe ends. Insert the prepared pipe ends into the tee sockets according to the Pexfit system instructions and apply the specified joining method for the Pexfit series. Verify full insertion depth and proper alignment before completing the joint. After assembly, test the system under working pressure to confirm leak-tight performance. Refer to VIEGA Pexfit documentation for torque, tool selection, and any temperature or pressure limits that apply to the installed system.

Usage recommendations

Use only compatible 16 mm PEX tubing and follow VIEGA Pexfit installation guidelines and local plumbing codes. Inspect connections after pressure testing and avoid exposing the fitting to direct UV radiation or chemical agents that could affect PEX materials. For complex layouts or unfamiliar installations, consult a qualified plumber familiar with PEX systems.