The Plasson 7438 Copper Adaptor 25 × 15 mm (PL07438016) is a WRAS-approved fitting designed to connect 25 mm MDPE pipe to 15 mm copper pipe, based on Tables X & Y standards. Engineered for leak-proof, durable performance up to 16 bar, it is ideal for potable water systems, mains supply, plumbing, and heating applications. Quick and easy to install, this copper adaptor ensures reliable, compliant connections in domestic and commercial water installations.