This will depend on the issue. However, many plumbers are also Gas Safe Registered, meaning they can undertake work on all aspects of boilers and central heating systems. It's best to look out for plumbers that display the badge of your boiler on their literature.
Rhosgoch
Rhosgoch is a small town in the north of the island of Anglesey, Wales, about 3.5 miles (5.6 kilometres) to the south-west of Amlwch. A brief distance to the west of the town is the pond Llyn Hafodol and also a mile to the south is Anglesey's largest body of water the reservoir Llyn Alaw (Water Lily Lake). The town when had a station on the Anglesey Central Railway. Although the tracks still exist, no train has worked on them because 1993. Likewise linked to the train, was a brief south-west encountering spur that led to an oil terminal. This was linked to a drifting dock in the sea off of Amlwch, where super-tankers could dock in all trends and feed oil through Rhosgoch and also a pipe to Stanlow oil refinery. This operation lasted for 16 years between 1974 as well as 1990. The very first tornado of the record-breaking 1981 UK tornado outbreak, an F1/T2 tornado, touched down near Rhosgoch at around 10:19 local time on 23 November 1981.