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.
Grantown-on-spey
Grantown-on-Spey is a community in the Highland Council Area, historically within the area of Moray. It was founded in 1765 as a planned negotiation on a reduced plateau at Freuchie close to the river Spey at the north edge of the Cairngorm hills, regarding 20 miles (32 kilometres) south-east of Inverness (35 miles or 56 km by road). Initially called simply Grantown after Sir James Grant, on Spey was added by the burgh council in 1898. The community is twinned with Notre-Dame-de-Monts in the Vendée, Pays-de-la-Loire, France. Because 2011, Grantown-on-Spey has actually been house to Shinty club Strathspey Camanachd.