Recent content by Hopelessplumber

JohnD, Thanks for the prompt response. Checked the depth when heating is cold; it seems to be constantly up close to the overflow. I've bent the arm of the ball valve so it's now perhaps half full. Yes - fine layer of rust sludge. House is about 12 years old. Far as I know, the...

I have three tanks on the loft: 2 large and one small. The small one occasionally overflows and dribbles down the overflow pipe, and it looks as if the water is coming back out of the outlet at the bottom of the tank. Can you tell me: - What is the small tank for? Heating? What can I do...