Why? When the water store is reheating the flames, viewed through the viewer, get higher at the exact time the droning noise starts?
Anyone have any idea or have come across this problem before?
Thanks for your reply Chris. What would be the possibilities?
I dont seem to have a lot of luck with plumbers. Someone was supposed to come around this afternoon and never showed up. Not even a call to say he couldnt make it. perhaps I should call British gas?
Hi, thanks for you reply. I dont think the noise is any worse when the pressure is lower. Ive probably topped the system up every 3-4 weeks. If you run a hot water tap the noise starts after you close the tap. it last for about 20 seconds then stops then repeats again. If a lot of hot water...
hello all, this is my first post and wonder if anyone can help with the above combi boiler problem. The boiler itself seems to work as it should ie hot water and radiators work OK, but after you turn off the hot water tap the boiler makes a rumbling noise for about 20 seconds which then stops...