Several in fact - now they have remote monitoring it is a nobrainer with the reliability too.
I dont think they have Pablo to me looks like a flue inside a sleeve but wont say anything against the attending engineer as he has seen more than any of us, havent a clue why the grey tape is thereIf that boiler is a worcester Greenstar then that flue isn't a Worcester flue terminal. Looks to me like two differnt flues have been lashed together unless I'm mistaken.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local