Evening all.
I've got a vaillant ecofit pure 830 boiler and I think this has an aav in it.
I've heard the term before, but just checking I understand the purpose - it is a way of releasing any trapped air in the system (like bleeding a radiator would). Is this correct?
I've got a vaillant ecofit pure 830 boiler and I think this has an aav in it.
I've heard the term before, but just checking I understand the purpose - it is a way of releasing any trapped air in the system (like bleeding a radiator would). Is this correct?
