F
Finn10
Cannot have both Hot water and heating on at the same time.So alternate each control when needed. Loft filler tank major overflow when heating /Hot water on with hot water being vented into the tank and out of the overflow.
Often have to push the reset button and there is quite often a need to bleed radiators due to air.
Often have to push the reset button and there is quite often a need to bleed radiators due to air.