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power shower pump connections

Discussion in 'Plumbing and Central Heating' started by brenny, 4 Jan 2007.

This topic originated from the How to page called Installing a shower.

  1. brenny

    brenny

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    I am considering buying a Stuart Turner power shower pump. As I am living in Southern Ireland our copper pipe sizes differ from the UK which is where the pump is made. The difference between the pipe is the UK pipe is 22mm outside dia. and the Irish pipe is 21mm outside dia. When you purchase the pump you are given the choice between 22mm olives or 21mm olives to suit both size pipes. My query is this, when looking at the nut and ring for the 21mm pipe, the collar on the nut does not close off the ring. i.e. you can see the edge of the ring coming through the nut. Will the joint seal when assembled and tightened?
     
  2. Lee-King

    Lee-King

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    Wrap the olive with PTFE tape before tightening the nut home.
     
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  4. Stuart stuart

    Stuart stuart

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    Hi If I was you I would get some 3/4 sized olives.
     
  5. brenny

    brenny

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    The olive to suit the 21mm is in fact the 3/4". As mentioned before you get a choice of olives to suit metric or imperial copper but you only get a metric nut on the flexible hose which comes with the pump! I am wondering can you get a "reducer" that will let you come in metric on one side and imperial out the other. I think its called a "nipple"?
     
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  7. brenny

    brenny

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    thanks for yer advice lads. Have shower up and running and no leaks! First I tightened olive on to 3/4" copper pipe using an irish sized fitting. With olive squeezed up I then removed irish fitting and fitted 22mm flex hose which was supplied with pump. Happy days :p
     
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