Fix Fault Worcester

My Worcester Bosch Combi Boiler, 28i Junior, red light flashing. It comes on after about 5 mins of me having turned on the heating and flashes slow for eg, the red light flashes in rhythm every 1/2 se ... more

hi all my worcester junior had grey sand in its dhw cap, which i knocked off by accident, since then it has a leak in it as no sand, do i need to replace sand or is it just that i dont have a tight se ... more

My worcester 35cdi , when turning on tap the hot water lights then rumbles and goes out at the burner, and ideas please.

My worcester 28si boiler has lost a lot of pressure to the hot water flow plus the water keeps going cold then another day is ok, has anyone had a similar problem?