It is necessary that your warranty is authentic by checking the small print on your boiler; although, a few manufacturers stipulates that you must carry out an annual boiler service on a recently-installed boiler, so if you are unable to show an evidence that this has been done, your guarantee could be rendered invalid. It is imperative that you carry out an annual boiler service simultaneously to make sure that gas appliances are functioning efficiently and safely, this is an important part of the process; and in the event that an unforeseeable event happens, you can be at peace with your self that you have shown all the care that is deemed possible, helping you avoid possible fines, or even a jail sentence. However, terrible accidents could occur and we have made it our responsibility at Boiler Service Solihull to make sure that you have tried your possible best to guarantee you tenants'safety.