Connect tap hose to water feed

Aug 15, 2025
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Hi all. I presume I need a 12mm pipe insert for the rubber hot and cold water feeds, but what connector would I need for the metal 15mm tap hose?
 
Aug 15, 2025
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Ok, so it's not letting me post pics. Is there a forum I can join where I can find out how to do this first? Then I'll get back to you!!
 
Aug 15, 2025
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Im basically trying to connect my 12mm water feed rubber hoses to these tap hoses. Can anyone suggest a connector? 1755293039643.jpg
 
Jun 16, 2020
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I don’t understand the 15mm tap hose, taps might have 2 tails which I think are 6 or 8 mm.

Converters are available for all. Best going to a plumber merchants and the can supply all your needs.

John
 
Oct 8, 2006
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Pipe sizes are something of a puzzle. A tap fitted to 15mm copper pipe (as was ½ inch) have a ¾ in thread on the outlet. Imperial piping was internal diameter (ID) so ½ or ¾ inch, but when we went metric the pipe became measured in outside diameter (OD) so ½in became 15mm, and ¾m became 22mm. The threads however remained as BSP (British Standard Pipe) thread which is universal almost worldwide. If you look at French lever operated outside taps you will find ½ or ¾ embossed in the body of the tap.
 

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