In its service to you, you will probably need to seek the services of a professional plumber and boiler specialist as they sometimes can go wrong. Enfield Plumbers have years of experience in boiler work.Central heating issues can be tricky and dangerous if not solved safely and correctly. Please note: if you ever suspect a gas leak you must immediately contact the National Gas Emergency Service immediately on 0800 111 999. However, below are some tips for you.a). Make sure to run the heating system once every month. During the summer time also. This will keep it running efficiently and clear the boiler pump providing a flow of water through your radiators, flushing them.b). A Gas safe registered engineer like an EN2 Plumber should inspect you boiler yearly, to ensure that it’s running smooth and safe. This also gives you peace of mind guaranteed work and a contact should the problem re-surface.c). Carbon monoxide detectors should be installed that warn you if there’s carbon monoxide leak. If so leak you should call the National Gas Emergency Service immediately on 0800 111 999.d). Never place a cover over your boiler or block any of the air vents. Ensure the outside flues are clear as well, also if you are a tenant, it’s your landlord’s responsibility to make sure that all gas appliances, especially the boiler are inspected once a year. You should hold a copy of the CP12 Gas Safety Certificate covering the points below:(Gas) appliances should be checked for gas tightness.If there are test points available standing and working pressure tests will be carried.A Gas Safe engineer must check the burner pressure and gas rate and compare it with the makers data plate.Checks will be carried out to identify of all necessary ventilation.Flue flow is tested to make sure products of combustion are removed.Devices to indicate lame failure must be checked for satisfactory operation.Where necessary, checks are made for physical stability, presence and effectiveness of all brackets.Look for any evidence of unsafe operation, and report any found Any found will be reported.Without completing all of the above checks an appliance cannot be issued a gas safety certificate (CP12).