Hi James,
Did you get the answers to your questions. Would be grateful if you did as I am in the same boat as you are and have almost the same questions to ask.
Thanks
Well the manufacturer has to replaced it but the issue is that I have fitted a new bathroom and the plumber will have to redo a fair bit of work to fit another one which I( would like to avoid at this stage.
I have recently put a thermostatic douche(bidet spray) for the toilet but its just letting out boiling water. The douche specification says "If the cold water fails, for example, and the hot is too high a temperature, then the valve will not let the water through" but its just doing the opposite...