Professional pre-soldered copper solder ring coupler designed for reliable joining of 28mm copper tubes without pre-soldering. Features lead-free solder for safe potable water applications. BS EN 1254-1 compliant and WRAS approved Lead-free solder pre-installed Maximum working pressure 16 Bar Operating temperature up to 99 degrees C Suitable for hot and cold domestic systems Embrass Peerless is a well-established UK plumbing fittings manufacturer, supplying the trade with quality copper fittings, valves, waste fittings, and drainage products trusted by plumbers and heating engineers. Product reference:Part number: SLDR5055967900882. EAN: 5055967900882. 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.