Metric x Imperial Copper Endfeed Transition Couplers

Bridge the gap between legacy infrastructure and modern plumbing systems with our premium-grade copper transition couplers. Specifically engineered to provide a permanent, leak-proof joint between metric copper pipework and older imperial copper lines, these components are essential assets for retrofitting, commercial extensions, and high-end heating upgrades.

Manufactured from lightweight, top-tier copper, these fittings ensure exceptional thermal conductivity and flawless capillary flow during the endfeed soldering process.

📐 Available Sizes & Specifications

Select your required size configuration from the dropdown menu:

• 15mm x 1/2" (SKU: WBS10) – Ideal for standard domestic retrofits and heating branches

• 22mm x 3/4" (SKU: WBS11) – Perfect for mid-sized heating loops and commercial piping

• 28mm x 1" (SKU: WBS12) – Designed for large-scale residential fittings and commercial mains

• 35mm x 1 1/4" (SKU: WBS13) – Heavy-duty profile for high-capacity plant rooms and district heating

🛠️ Key Features

• Precision Engineering: Seamlessly transitions standard metric pipework to legacy imperial infrastructure

• Premium Construction: Durable, corrosion-resistant copper built for long-term reliability

• Joint Type: Standard endfeed profile optimized for high-integrity capillary soldering

• Category: Imperial / Metric Adaptation Couplers

💧 Plumbing & Installation Benefits

• Seamless Retrofitting: Eliminates the need to rip out legacy pipe runs when integrating modern heating components or boilers

• Maximum Flow Efficiency: Smooth internal bore design prevents fluid turbulence and maintains consistent system pressure across transitions

• Reliable Under Pressure: Built to withstand severe thermal expansion, contraction, and high-pressure fluctuations common in heavy residential and commercial loops

• Clean Profile: Compact architecture ensures neat, space-saving installations behind walls, under floorboards, or in exposed showroom displays