thanks for replys guys was thinking it was water pressure switch because problem happens more often if i run taps open wide quick rather than only open taps a bit. will look again at reader info and try cleaning w p switch out will post my findings here
hi have problem with worcester 24i junior combi boiler after reading lots about problems with these boilers i'm guessing i need to replace the water pressure switch whitch i can buy but carn't find any info on where it is or how to replace it.... problem i have is red light flashing 4 x a second...