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.
Glogue
Glogue is a community and also message community, 1 mile (1.6 km) north of Llanfyrnach, in the area of Crymych in the eastern of the county of Pembrokeshire, Wales. It was the site of slate quarrying from the 18th century; the sector employed over 80 men when the railway involved the location in the 19th century as well as enhanced circulation. Quarrying finished in 1926 as well as the train closed in 1962. Glogue Farm is just north of the negotiation, in Clydau neighborhood.