Thanks muggles. I could be wrong and the cable could be for the cylinder thermostat but I also took these photos which led me to think it was for the immersion element. Do these photos help?
Hi Forum
I’ve just moved into a house with an unvented cylinder, and my electricity bills are much higher than they should be, which has led me to think perhaps the electric immersion element is always on.
I’m trying to turn it off but am struggling to work out how. I’ve found the switch for...