All I can say is that's a standard length plume kit if has been correctly fitted it should work.
You can't just modify a flue system need to follow manufacturers instructions also you would void warranty.
We have for some time refused to fit worcester oil boilers and now won't even service current models.
You can't just modify a flue system need to follow manufacturers instructions also you would void warranty.
We have for some time refused to fit worcester oil boilers and now won't even service current models.