On further investigation...
It only happens when the pump is off. The boiler starts up and there is a sound of flowing water in the pipe I believe goes up to the hot water tank. It's not until the boiler switches off that the gurgling happens. I am not sure if the air is heading into the hot...
My apologies, I may have made some assumptions about my heating system which were incorrect and I should have put a bit more thought into my initial post.
I have BAXI back boiler which heats the water and central heating. The timer is set to turn on both the hot water and central heating at...
I have a BAXI combi boiler which has worked fine for the last year, however, when the boiler first comes on in the morning there is a lot of gurgling up to the water tank. I have bled all of the radiators and the problem still occurs.
This has only happened since I turned the thermostat down...