Sorry.
The boiler is now displaying fault cade error A8 if this is any help to you.
Regards
Sheep
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Thanks for the advice guys.
I will turn the optimum off now and give it a whirl.
regarding the cat...
Hi, Can anyone help?
I have a WB condensing combi boiler which has in the last few days lost pressure totally.
I have bled rads and now pressure is restored but the boiler has a mind of its own and seems not to be taking any notice of the thermostat.
The stat fitted is a TR2.
Has...