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Flexi hoses

View the thread, titled "Flexi hoses" which is posted in UK Plumbers Forums on UK Plumbers Forums.

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This is like top-trumps.
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As per the water regs each appliances/outlet should have the ability to be independently isolated

All though I agree there usually useless I still fit them to everything where practical, but usually just put to good quality full bores on the hot and cold incoming into the bathroom

I never use isolating valves on baths. If I had to use them, I would use full flow best quality valves. Those ordinary cheap isolating valves, as we know, are trouble.
I don't see the point in valves on bath supplies, as on the very rare occasion you need to do a simple repair to the bath taps, it just needs the water turned off briefly. Don't want to remove a bath panel just to turn valves off. And when a bath tap needs totally replaced, or when a bath has to be removed, it's easy just to plug the pipes temporary.
 
Truth is none of us know what the risks of fleximagigs really are.


We go on personal experience and hearsay. The plural of anecdote is not data.

If we had access to total estimated flexible hoses installed over a ten year period - biggest sample size possible plus total estimated bursts, referenced against instances of poor installation, it'd make for some interesting reading but I bet we'd all be suprised at the figures one way or another just because we don't know.

What percentage of 100,000 moderately improperly installed flexi's (not massively snaking or twisted) will burst within ten years? Guesses on a postcard.
 
What a hassle...

Went down to the merchants to buy 2 tap connectors I needed 3/4 to 15mm - as I understand it these should be quite common as a lot of houses with combis use 15mm pipe to baths.

Plumb Center simply told me they don't do them.

Plumbase said they don't normally stock them and they could try and get them but would take 4 days.

I got a ouple in the end from Screwfix.

Straight Tap Connector 15mm x ¾" | Compression Tap Connectors | NoLinkingToThis

I note that normal tap connectors usually sue FIBRE whereas this one uses RUBBER washers.

I know flexis use rubber washers.

My reading of things were that rubber washers generally offer a better seal but they can degrade over time especially with heat.

I am guessing over time rubber will phase out fibre.

Any issues with me using the ones I've got? Not that I have a choice.

Pipe bender will be with me tomorrow so will have a go at installation tomorrow.
 
Just to bump this back up

I did finish the job using copper pipe and rigid conenctions - in some ways easier than trying to stop flexis kinking (because i could the exact amoutn of pipe rather than trying to make a 300mm and 500mm flexi fit into the tight space.) Did find getting the bend right difficult without putting too much stress on it - but somehow managed it.

been a few weeks and no leaks.
 

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