Compression transition fitting TECE 740125, brass ring, 16 mm x 1/2"

Compression transition fitting TECE 740125 with a brass ring is designed to join a 16 mm supply pipe to a 1/2" threaded fitting. The fitting creates a mechanical, leak-resistant connection suitable for potable water systems, heating circuits and repair work where a secure transition between small-diameter pipework and standard threaded components is required. It is compatible with common plastic and copper pipes sized 16 mm and provides a compact solution for converting to a 1/2" threaded outlet.

Advantages

The brass ring and compression design ensure a reliable, durable seal without the need for soldering or fusion. Installation is quick and straightforward using standard hand tools, reducing labour time during plumbing or heating system assembly. The metallic construction offers corrosion resistance and mechanical strength, while the compact dimensions allow installation in confined spaces where a 16 mm to 1/2" transition is necessary.

Suitable for

• Connecting 16 mm plastic or copper supply pipes to 1/2" threaded valves and fittings
• Domestic water supply repairs and replacements
• Heating circuit connections and radiator service work
• Plumbing installations in tight or retrofit spaces

Key specifications

• Connection types: 16 mm compression to 1/2" male/female threaded transition
• Material: brass ring and metal body suitable for potable water and heating systems
• Sealing method: compression joint for mechanical, leak-resistant connection
• Compatible pipe materials: commonly used plastic (e.g., PEX, PE-X) and copper pipes of 16 mm outer diameter
• Application temperature range: suitable for typical domestic hot and cold water and central heating temperatures

How to use

Ensure the pipe end is cut square and free from burrs before assembly. Slide the brass ring and compression components onto the 16 mm pipe, insert the pipe end fully into the fitting body, then tighten the compression nut onto the threaded section until the joint is secure. Connect the 1/2" threaded side to the corresponding valve or fitting using appropriate sealing (e.g., PTFE tape) on the threaded connection if required. After assembly, pressurise the system and inspect the joint for leaks according to local plumbing practices.

Usage recommendations

Use appropriate tools to avoid over-tightening the compression nut and follow local plumbing codes. Verify compatibility of pipe material and wall thickness with compression fittings. For long-term reliability in heating systems, check periodic tightness and inspect for signs of corrosion or wear.