Quote Originally Posted by dembethewarrior View Post
My mother had that noise every time she flushed the toilet and ran a tap..sounded like there was going to be an explosion.

Hers was something to do with the overflow.

Will ask her when I see her, but hopefully you get a reply sooner.
Thanks

I'm not sure what's going on, but my mother just rang me and said the heating is working now. I'm not sure if the tap/flush rumblings are still going on though