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.
Talsarnau
Talsarnau or Talsamau is a town and community in the Ardudwy area of Gwynedd in Wales. Its population of 525 (2001 ), raised to 550 at the 2011 Census. The town of Talsarnau is positioned on the A496 coastal road in between Maentwrog as well as Harlech, near the communities of Eisingrug as well as Llandecwyn. It has one primary school and one pub, "The Ship Aground". Talsarnau train station on the Cambrian Line offers the town. The area also includes Ynys Gifftan.