Many thanks, was hoping I could get away with that, the system already has inhibitor in it. If I do a partial drain, I will obviously lose some, but how do I know how much to put in, and should it be the same make?
Cheers
Shaun
Hi
I am totally new here so hope some one may be able to help, the above worcester condensing boiler is located in the kitchen, I need to remove and replace the radiator valves in the bathroom, altering the position slightly for a new rad/towel rail.
As the bathroom radiator is above the...