triton

Hello I got Triton Topaz T100si Few month ago replaced coil when outed all parts together and started teperature control didn't work max you could set is 38c' after switching off/on everything got back as it was and worked superb few days ago pressure controller started leaking i replaced and...

I've just recently moved into a new house with a triton shower fitted. The knob to control the temperature of the water will not turn beyond a certain point to make the water hot, there is a red button which I have tried to press while turning but it won't budge. The water is flat cold. Any help...