the fan on the boiler runs constantly, it gives hot water but no heating. there is presure of 1.5 bar i have oppend the air release valve please can you help
remove grey cover and behind u will c black lever which operates red m/switch. push down on r/h side of black lever 2 reseat it and htg should fire up. its basically stuck in hot water mode. spray with wd40 and c if it helps
