Hello Sparks (and mates and improvers). I have an electric shower at home creda 8.5kw. The shower is working however the spur is dodgy. Its been ok for four years but now when I click the spur down to send power to the shower the light on the spur only partly glows and I have to force the red button all the way down for the light to come on fully and give power. Does this just sound like a dodgy spur? Is it just a broken spring inside? Help appreciated and thanks in advance.