this is fantastic advice!
Thank you Davie!
I am about to head out right now so will give this a go when back...
So i wouldn't need a key!! I can't believe the guy on ebay sold it to me even after i told him my boiler model!
I pushed and clicked that cap tightly shut so hopefully it should...
Hi guys
I have the above boiler - the booklet says Worcester Bosch 24i/28i Greenstar Junior Combi Boiler on it) and recently ordered a large key for it, only for it to plunge me into more confusion.
The large key wouldn't go further up that white-ish pipe (due to there being a curve on the...