While you wait for answers, we may have found some information which could help you.
Success
Message
How can I mend my Neptune Exotic shower?
Mira excel thermostatic shower mixer?
Thermal cut out switch?
Mira advance atl electric shower?
Fasco?
Almish heater surge model w15?
Replace cord in shower screen?
How do I fix it?
Boiler over pressure on the hot-water side?
Aquadart shower seal?
Grohe push button flush?
What parts do i need to get water flowing again?