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.
Clynderwen
Clynderwen is a country straight town and community, traditionally in Carmarthenshire in Wales, however administered as part of Pembrokeshire. It pushes the A478 Tenby to Cardigan road south of the village of Llandissilio and north of the town of Narberth. Clunderwen, converting right into English as "oak thicket", is called after an estate of the very same name. On 1 April 2003, the village was transferred from the management county of Carmarthenshire to that of Pembrokeshire, complying with a limit modification in between the regions. At the same time, a name modification to Clunderwen was proposed to reflect the real usage by the community council and also on road as well as various other indicators.