spot on thanks for that.
i have heard of something called a power flush would that clean the system.
i i guess if you think about it if the hex unit is getting blocked up you would have to slow the water flow down to get a decent heat transfer my shower has only on and off from cold to hot i...
i moved into my home 2 years ago and have never had any major problems with my boiler
i noticed a few months after moving in that the system pressure on the boiler was low, i checker in the instructions for correct pressure and topped it back up .i have been doing this for the last 2 years at...