The water doesn't usually seem to make it to the overflow. The valve is only dripping slowly - the water heats up and evaporates faster than it drips in.
I held down the ballcock earlier to overfill the tank on top a bit, and it (i think) vented shortly after that. the top tank was nice and...
sooey/dan: thanks. post title changed.
It was the immersion thermostat that was changed (this was done by a proper plumber/electrician, I was out at work when this was done). Everything seemed to be exactly the same as it was before after it was changed. The water is a little hotter than it...
Hi All,
I have a combination boiler (immersion only) that seems to have been malfunctioning for the last few weeks. Every now and then (probably a couple of times a day) the cold water tank on the top (built i to the tank, open top) is getting really hot. This is causing the cupboard in which...