replacing tap valve (unknown type)

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john.diy

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I have a dripping wall mounted basin mixer in my bathroom but I don't know how to take out the valve to replace it or the washer(?). It doesn't look like other mechanisms I've seen before. Basically there doesn't seem to be anything to get a spanner onto to unscrew it. Can anyone advise? photos below show the mechanism.
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The nut holding the stem in is down inside the brass outer sleeve.
You'll need a thinwall deep socket to get to it.

It may be that the outer is a screwed on extension and may unscrew for ease.
 
snowhead said:
The nut holding the stem in is down inside the brass outer sleeve.
You'll need a thinwall deep socket to get to it.

It may be that the outer is a screwed on extension and may unscrew for ease.
Click to expand...

Many thanks for that, would you know what the likely socket size would be? presumably I could google for a 'thinwall deep socket' or maybe a good plumbers merchant would have one. Before that I will try and see if the outer unscrews. Thanks again
 
Harvest Fields said:
Does the outer cylinder look like it could unscrew?
Click to expand...

Not much space to get a grip on it without damaging the thread but just managed it and it is unscrewed and off. Photo below shows what left - the spindle seems to have a clip on it. Do I just get the right sized deep socket (60mm from tip of spindle to nut section) to take it out? thanks in advance
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box spanner set for under a £10 at toolstation so will get that - then try and find somewhere to get a replacement for the valve. Also need to get replacements for the cross head handles as after I unscrewed the grub screws for actual handle, the holder had seized onto the chromemspindle so had to cut it off to get the outer chrome sleeve off but enough length on the chrome spindle to fit new handle on. Do you know of a supplier where I could get new handles. Will make sure all water off and drained from upstairs taps and shower. Many thanks f0r the
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advice!
 
The new handles must fit the splines, not my area of expertise (yet) but would expect to find one size does not fit all.
 
Sorry, don't know, it was fitted 8 years ago, I have the chrome spindle that fits on the spline is just the actual handle element that fits onto the spindle and held by grub screws. thanks
 
There's no identification on any of the parts which is very unhelpful! I have managed to extract the valve but again no identification. I've run it down to a couple of local plumbers merchants but they had no clue as to the manufacturer. Photos below of the valve, maybe I should start a new thread to try and identify
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it?
 
Will get the old vernier gauge out for the measurements! Thanks very much for the web address - looks promising and will give them a call tomorrow. Old valve back in so water back on and the missus can wash her hair! Will let the thread know how I get on. Cheers
 
If you can't get a replacement cartridge off the shelf, I'm sure one of on here can make a suitable one, and to fit whatever splined heads you want to use. We'd need to fit it too, but that's an option if you get stuck and are local to any of us.
 
I think I could probably make one that is better quality than the original, with a UK-manufactured spindle. I have rather a nice kit that I'm itching to use...
 
With various members helpful advice got to the stage shown on the attached storyboard and diagram. I contacted www.tapmagician.co.uk and while they were helpful and came up with a couple of solutions they did not supply a replacement valve. Now that I had to cut the chrome spindle to get to the valve I need 2 replacement valves and the chrome handle mechanisms. Any advice would be welcomed and appreciated.
 

Attachments

  • taps storyboard.pdf
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  • valve diagram.pdf
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john.diy said:
With various members helpful advice got to the stage shown on the attached storyboard and diagram. I contacted www.tapmagician.co.uk and while they were helpful and came up with a couple of solutions they did not supply a replacement valve. Now that I had to cut the chrome spindle to get to the valve I need 2 replacement valves and the chrome handle mechanisms. Any advice would be welcomed and appreciated.
Click to expand...

How accurate is the 8mm measurement?
 
its back in the manifold no so can use basin (with a pair of locking pliers on spindle!) so cant recheck. I used a digital vernier gauge so pretty accurate, cant recall if I rounded those measurements but don't think I did.
 
john.diy said:
its back in the manifold no so can use basin (with a pair of locking pliers on spindle!) so cant recheck. I used a digital vernier gauge so pretty accurate, cant recall if I rounded those measurements but don't think I did.
Click to expand...

One of the chaps on here can definitely do you a cartridge with the correct splines and length, but they are 7.66mm in dia. They would need the handle to check to see if it fitted well enough although personally, as the designer of the kit they use, I think it would be perfectly fine because it is held in with a grub screw. If necessary, the handle could always be modified (at a little extra cost) to add another grub screw fixing hole on the opposite side.

So, tis up to you. It can def be done. Do you want it doing?
As I see it you have two choices:
- TapMedic - to give you a new valve using the std 75mm spindle cut down with a grey end seal in a 1/2" cartridge (leave grub screws as they are) :)
- or rip it all out and start again :eek:

I'd estimate the cost of one of the chaps supplying would be cira £45 plus postage... ;)
 
Last edited by a moderator:
would be great if TapMedic? could do the valves but obviously need the chrome spindle and handle due to, as mentioned, having to cut them as the actual handle piece was seized onto the spindle. Also need price for the cartridges. Thanks for your help
 
No you don't need the chrome spindle as we do spindles that are long enough. ;)

IF it were me, I'd screw a 4mm screw into the thread left in the tap head and hold that thread in a vice. Then I'd use some penetrating oil and gently but firmly 'wobble' the head off the splines... But it's not me so you'll have to use your loaf re getting the old handle off. I'd be amazed if it can't be done but you are there and I'm here. :D

The alternative is to find two similar handles. Let us know what they are and we'll (most probably) match them with our spindles. Two, complete cartridges, would cost you around £75-80.00. :cool:
 
I think I may not have explained properly or I’ve misunderstood your reply. Art the risk of boring everyone I've attached another explanation. Apologies for being pedantic but I really want to avoid having to rip out the tiles and manifold and replace as there are limits to my diy abilities! To add some levity below is a picture of the temporary handles!
So what I think I need are the 2 valves to replace the leaking ones and the chrome spindle, the chrome tap end (with grub screws) to go on the spindle and the handles themselves. Unless you say otherwise such as the 2 valves and ALL the rest of the mechanism to make sure they fit together but lengths need make sure it clears the tiles.

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Attachments

  • further explanation.pdf
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