Hi John,
Thanks for your post :)
We have now removed the cartridge part from the deva mixer and your right it is the part that needs replacing. The only problem is now we dont know the model/no so still no nearer fixing it and now we have a non working leaky shower.
I have attached a...
Hiya,
Just been reading your other posts and you seem to be so helpful. We've done some digging on line and hope that the description below is correct an useful:
We know its a Deva Shower mixer valve but cannot locate a code/model number. We think its a concealed sequential shower mixer...