Copper reducing tee Conex series 5000 15 x 18 x 15 mm

The Conex series 5000 copper reducing tee 15 x 18 x 15 mm is a plumbing and heating fitting designed to connect three copper pipes where the branch outlet has a different diameter. Manufactured for use in domestic and light commercial systems, this reducing tee supports soldered joints and provides a durable path for water or other compatible fluids between 15 mm and 18 mm runs. The component is intended for installations that require a change of pipe size while maintaining a compact, low-profile joint.

Advantages

The reducing tee offers precise dimensional compatibility between 15 mm and 18 mm copper pipe runs, enabling smooth transitions without the need for additional adapters. Its copper construction provides good thermal conductivity and corrosion resistance in typical potable water and heating applications. The design is compatible with standard soldering techniques, allowing for secure, leak-resistant joints when installed by a qualified fitter.

Suitable for

• Domestic hot and cold water distribution
• Domestic and small commercial central heating pipework
• Repair or modification of existing copper pipe systems where a smaller branch is required
• Plumbing installations that use soldered copper fittings

Key specifications

• Material: copper
• Configuration: reducing tee with two equal 15 mm ends and one 18 mm branch
• Connection method: suitable for soldered (sweat) joints
• Application environment: potable water and heating systems in domestic and light commercial settings
• Size: 15 x 18 x 15 mm

How to use

Prepare pipe ends by cutting square, deburring and cleaning the copper surfaces. Apply appropriate flux to the fitting and pipe, assemble the joint fully and heat evenly with a suitable torch until the solder flows to form a continuous bond. Allow the joint to cool and inspect for a complete solder fillet all around each connection. Follow local plumbing codes and manufacturer guidance for solder type and maximum working temperatures.

Usage recommendations

Use only compatible fluxes and solders recommended for potable water systems if the fitting will carry drinking water. Ensure pipes are securely supported to avoid stress on the joint, and test the system under pressure after installation to confirm leak-free performance.