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What does it mean 21/29mm?

My original pipe goes from a 21mm straight connector at the W/M (rubber end fixed with a jubilee clip) to a standard 21mm fur tree spigot in the sink waste plumbing system (rubber end push on fitting). So both ends are 21mm (internal diameter). Does this mean that this pipe will NOT fit?

By swinster - - 28 September 2010

Answer this Question (1 Answer)

  • I think you need 21mm connectors at both ends of the hose. With mine I had to cut off the 29mm end and use a 22mm screw-in Plumb-Sure adaptor from B&Q. By Bob - Lymm - 30 October 2012

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Universal Straight End Washing Machine/Dishwasher Drain Hose - 2.5M Stock Number: ES478297

Universal waste hose for washing machines and dishwashers with a 22/29mm outlet diameter

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