New water pipes | Bathroom Advice | Plumbers Forums

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T

Tony Kershaw

Bit of background....

Recently had a new water supply pipe. The old supply was via a shared lead pipe all the way down the back of the terrace to our property on the end. Very low pressure, and being poisoned. ☺ We took the new supply from the main pipe in the street just outside the front door to a new stopcock just inside the door. We decided to take it through the house to avoid the expense of digging a trench round to the back. United Utilities were happy with that plan. So far so good.

However our plumber used a 15mm plastic pipe from the stopcock - up to the loft, across and down to the bathroom, where the boiler is situated. A distance of about 15m.

I'm not keen on plastic - one of the fittings failed within a month! And there's a lot of pressure variation as we turn things off and on - eg just a trickle at the washbasin when the bath is running.

I'm keen to replace most of the pipe myself with 22mm copper.

So two questions for you experienced chaps and chapesses: 1. Does that sound sensible? 2. Would you keep the route through the loft, or take the more direct route under the bedroom floorboards? (I've got work to do on the boards anyway).

Tony
 
Yes, the stop cocks are fully open, and there is good flow from the bath tap - and reasonable flow from the washbasin when the bath isn't running.

I didn't mention that the whole bathroom suite is 30 years old, and due for replacement. The whole lot needs replacing and replumbing - all part of this year's project. If part of your question is probably trying to ascertain what state the washbasin taps are in - the answer is, they're probably not opening fully.
 

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