Yeah i have but vaillant dont have old boiler pdf's for download, so i gave them a ring and they wont send it via email because it uses up to much bandwidth?.
(unhelpfull hey) They are usually very helpfull. The problem is im going to look at the boiler in a couple of hours and wanted the...
I have just fitted a aco 32 rffi system boiler and when the three port valve is on hot water only the boiler makes a very load noise almost like a trumpet/vibrating sound, when you switch the heating on it seem\\\'s to stop happening . There appears to be no restriction to the flow or air in the...