Suitable for use with central heating systems. John Guest Speedfit products blend push-fit and multi-seal technology for a reliable leak-proof connection. Simple to install and no tools are required when installing or demounting fittings, making it easy to manoeuvre in tight spaces or readjust joins. Speedfit's extensive choice of plastic, brass and chrome fittings, tap connectors, valves and flexi hoses gives you everything you need to complete the job in no time. By combining these products with plastic push-fit pipe, you can create a truly flexible plumbing and heating system. All products are accredited with the leading testing and approval organisations including WRAS and are suitable for use with plastic or copper pipe. * Manufactured in DZR brass * Only suitable for central heating systems * BS EN 7291 parts 1, 2, 3 and S, WRAS approved * Secure and easy demounting without the need for a tool * 50 year guarantee * Minimum operating temperature - 20 degC * Maximum operating temperature - 105 degC * Maximum operating pressure at minimum temperature - 12 BAR * Maximum operating pressure at maximum temperature - 3 BAR JG Speedfit Brass Drain Cock 15mm in Gold JG Speedfit brass drain cock is used to drain water from a central heating system. Designed, manufactured and assembled in the UK.Durable DZR brass body Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipeSuitable for central heating systems only. John Guest Speedfit brass drain cock is used to drain water from a central heating system. Designed, manufactured and assembled in the UK. Durable DZR brass body Compatible with Speedfit PEX and polybutylene plastic pipe (inserts required) and copper pipe Suitable for central heating systems only Available in packs of 1/2 and 5