thanks for that,heating engineers must love combies,seem far to complicated to me,just looking at service/repair sheet .dam think needs pulling out and a wood burner putting in.lol
help,mother returning from aussie(v.hot)turned room stat up to try heating,no pilot,no main burner,nothing on hot water,pump running.any help would be welcome.boiler is worcester 240 fanned flue.cheers