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?
How do I fix it?
Aquadart shower seal?
Fasco?
Boiler over pressure on the hot-water side?
Replace cord in shower screen?
Grohe push button flush?
Almish heater surge model w15?
Mira advance atl electric shower?
Thermal cut out switch?
Mira excel thermostatic shower mixer?
What parts do i need to get water flowing again?