The first step towards fixing the boiler is to know the problem and to do the right checks. You have to know how to diagnose the problem on your own so that you can be able to save time and money. Before you call technicians, you can try the following boiler repairs Clapham options. Check the pilot light since it is the first thing that may interfere with the boiler issue. Without the light, the flame will not ignite the gas supply in the boiler and if it was put off, you have to try relighting it once again. You have to follow the instructions that come with the boiler. When such actions do not help you to determine the issue, you have to search online or go to a forum to ask for advice. If you do not know what it is wrong, you should not try to fix the issues on your own. When you do that, you may end up with an expensive fee if you make the problem even worse. Another place to check is on the pressure gauge. The best number is from 1.0 to 1.5. When the pressure is found below that number, you have to use the manual to find the solution to that problem since each boiler will have its own guidelines to fix the problem. You should check on the valves of the radiator to check for leak signs, and this may lead to the low boiler pressure. If you are not able to see the signs or the leak, this does not mean that it is not there. It means that the solution should be solved by the boiler specialists. If you have tried all the DIY boiler repairs Clapham steps but there is no response, then you have to call for a professional to help you out.