thanks rosebury, so can i just buy a thermostatic mixer and fit it to my existing Mira 88.
If so, can you recommend one, where to purchace from and its cost please?
I have a Mira 88, not sure how old but at least 9 years. I have a combi boiler system The problem is in finding a usable temperature. the mixer dial has to be all the way over to hot. A tiny movement back on the dial and the shower just puts out cold water. Sometimes it can take minutes to get an ac...