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Posted

Below shows an image of the pipework under my kitchen sink, which was left after a dynorod plumber fixed a dripping pipe. Before when the pipe was dripping, the pipes were professionally clipped. I have complained to the manager at my local dynorod branch and he said that the plumbing engineers don't carry pipe clips! What a joke! What are your views?

 

http://tinypic.com/r/5xpgg1/7

Posted

I think a clip is the least of your problems.

 

Why the joint between your valve and the washing machine tap? Was it a competition to see how many joints and connections could be fitted in to 6" of pipe?

Posted

I'd accept that as a temporary fix - ie wait here while I go buy some pipe clips but as a perminent fix its no way near acceptable.

 

I'd say you don't carry your wallet/cheque book - atleast not until jobs are done properly

Guest Guest
Posted
Its better than what the plumper did at my house thats for sure! Atleast your pipes are straight, none of mine are, not one.
Posted
The problem is, washing machines and Dishwashers tend to stop and start their supply of water often and quite abruptly. This means a lot of harsh movement in the system. The cord will allow this and will weaken and loosen the joints in quite a short time. This system has a lot of joints to fail.
Posted

That's awesome, I think it was going to be used as an example of all the types of fitting you can have, push fit, solder, compression :)

 

Looks like some plumbers thread.

 

Why did you have dynorod to do a real plumbers job?

 

Ben

Posted

If it were me I'd have fixed it myself, plumbing isn't actually that difficult. The biggest mistake people make? Over tightening compression joints, that's when they leak. Here's my kitchen sink just after I'd plumbed it in - No leaks, nice straight pipework and only took me about an hour.

 

http://i76.photobucket.com/albums/j29/mredman/Misc/IMG_9723.jpg

 

As for the OP question, I wouldn't have paid them if they left it like that, simple as.

Posted
You may not be paying them but you would have a job claiming from your insurance for flooding if one or all of those joints fail. An awful lot of water would pump out of there.
Posted
The biggest mistake people make? Over tightening compression joints, that's when they leak.

 

As a plumbing n00b but interested can you explain this? I would have thought a compression joint should be nice and tight to keep the compression?

Posted

Good old wiki:

 

It is important to the integrity of a compression fitting that excessive force be avoided when tightening the nut. If the nut is overtightened, the ferrule frequently deforms improperly causing the joint to fail. Indeed, overtightening is the most common cause of leaks in compression fittings. A good rule of thumb is to tighten the nut first by hand until it is too difficult to continue and then tighten the nut a half-turn more with the aid of a wrench; the actual amount varies with the size of the fitting, as a larger one requires less tightening. The fitting is then tested: If slight weeping is observed, the fitting is slowly tightened until the weeping stops.

Posted (edited)
As a plumbing n00b but interested can you explain this? I would have thought a compression joint should be nice and tight to keep the compression?

 

They need to be tight, but if you over tighten them you will distort the pipe and it'll drip - it's only thin copper and is very easy to distort. Once you get it to that stage, no amount of tightening will stop it dripping, infact it can make it worse. There's no real way to describe how tight then should be - its something you have to be shown or learn yourself. I was taught by a friend of mine who's a gas fitter.

 

or use a soldered joint...

 

Yeah never got on with those, despite being shown many times how to solder them properly, I just never get it right.

Edited by maniac
Posted

That's why I hate compression fittings just the thought that they might have gone wrong :) allthough having said that I've never had one leak so far, I use soldered joints where I can.

 

Got a new shower to plumb in at the weekend.

 

Ben

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