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 as well as article town, 1 mile (1.6 kilometres) north of Llanfyrnach, in the neighborhood of Crymych in the eastern of the county of Pembrokeshire, Wales. It was the site of slate quarrying from the 18th century; the industry used over 80 males when the train pertained to the area in the 19th century as well as better circulation. Quarrying finished in 1926 and the train closed in 1962. Glogue Farm is simply north of the negotiation, in Clydau area.