Thank you for responding.
The whole radiator is cold.
The water was black. :(
Not sure the answer to "Does your system have a feed & expansion tank in the loft, or a filling loop and pressure gauge?" How do I find out? :?
It has got like this recently.
Thermostats are all on full.
How...
Hi
I live in a newly built house (3 years old) as is the central heating system. I have four radiators that are cold and all in different positions around the house, 2 upstairs and 2 downstairs, on both ends of the house. :?
I have tried bleeding the radiators concerned and this made no...