the overflow on the shower is running all the time the shower is switched on is this a blockage somewhere but i can blow up outlet and inlet and they blow straight through as being clear
Electric showers have a pressure relief device which opens when the shower outlet is blocked (pipe twisted maybe). If your shower hose is clear, you'll need a new PRD.
John
May 2008
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix baths and showers.