Thank's for the info i will check the loft. I have one rad down stairs (kitchen) that is not working when valve is open ! also i'm in the middle of fitting new bathroom and when I took off the old rad lots of black water came out ! I have a new rad for the bathroom (this is upstairs)
As...
Hello, can anybody help me ? I have a Glow worm 50e fitted in my house about 12 years old. I have just moved in and was told by the previous occupier that the central heating has never ( or at least 6years) been serviced ! I was told by a Plumber to put x800 into the system then flush out until...