how to change diaphragm?

>is it possible to change the diaphragm within the diverter valve

yes


>is it best to change the complete diverter valve?


why when it's only diaphragm thats faulty.

>what is the average cost of a diaphragm?

depending on model about £12.

>the cost of the diverter valve

depending on model average £80

hi-spec plumbing
August 2007