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