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.
Taynuilt
Taynuilt is a big town in Argyll and Bute, Scotland situated at the western entrance to the narrow Pass of Brander. The town is positioned on the River Nant regarding a kilometre prior to the river streams into Loch Etive at Airds Bay. This is simply to the west of a constricting of the loch to about 200m. The larger River Awe passes about 1 km to the eastern of the village and also joins the loch simply to the eastern of the slim point. The West Highland Line and A85 road go through the town.