I have a Red Ring Plus 9 Extra electric shower. The power light is on but there is no water coming through. Does anyone have any idea what the problem could be? Who do I need to call for repairs, a plumber or a sparkie?
It sounds most likely that the soleniod valve has failed.
Unfortunately, many plumbers will just fit another shower but if you get a good plumber, they should be able to get a spare part.
Hope this helps.