Professional push-fit socket reducer with In4Sure joint recognition technology for secure pipe diameter transitions. Size: 15mm x 10mm Material: Polybutylene Pressure: 12 bar (cold), 6 bar (hot) Compatible with copper & plastic pipes 50-year guarantee Model: HD2/15W Hep2O is a well-established UK push-fit plumbing brand, part of the Wavin Group, offering a comprehensive system of push-fit fittings, valves, and accessories for domestic and commercial plumbing. Plumbing fittings and connectors form the backbone of domestic and commercial water systems — correct selection and installation ensures leak-free, code-compliant pipework. Product reference:Part number: HEP5027888913043. EAN: 5027888913043. APM Plumbing & Electrical — West London's trade electrical and plumbing merchant. Visit us at our Acton trade counter or order online at apmi.uk. Call us on 020 8702 8080.