The Plasson Pushfit Coupling PE-Copper 25 × 22 mm (PP1001CU025022) is a WRAS-approved fitting designed to connect 25 mm MDPE pipe to 22 mm copper pipe quickly and securely. Its push-fit design allows for a leak-proof, durable connection without soldering. Rated up to 16 bar, it is ideal for potable water, mains supply, plumbing, and heating systems. Easy to install, this coupling ensures reliable, long-lasting connections for professional water and plumbing applications.