I have a filling loop and a pressure gauge and need to drain the system as the water is black. When i refill, do i add any water treatment/protector and how do i do this ?
Thanks for any help. :D :D
I have just moved house and all the radiators and valves need changing (Leaking) also some slight alterations to the pipe work, as i can not find radiators the same size that are already fitted.
A new boiler was fitted with a filling loop and a pressure gauge but the previous owners never...