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.
Barnetby
Barnetby le Wold is a tiny rural village and civil parish in North Lincolnshire, England, situated between Brigg and Immingham. The village is additionally not far from the market town of Barton-upon-Humber. The population of the parish in the 2001 census was 1,593. This raised by 148 to 1,741 in the 2011 census. Barnetby train station serves the town and also surrounding location. The town has a rich history of over 1,000 years. It was first named in the Domesday Book of 1086 where it is called "Bernodebi" which is originated from the Scandinavian name "Beornnoth".