There are a lot of great conveniences to having central heating with a gas boiler, but every once in a while, you are likely to come across a problem.
Although it is quite possible that the situation you have may be exceptional, the large majority of the time you are likely to realise that your gas boiler situation is a normal one. This guarantees that identifying the right resolution will be a lot easier and faster than what you expected.
A number of gas boiler problems can in fact be avoided by getting your gas boiler serviced regularly, we advise at least annually.
The 6 Most Usual Gas Boiler Repair Problems

- No Hot Water
- Your Boiler Dripping or Leaking
- Strange Sounds Coming From Your Boiler
- Extinguished Pilot Light
- Boiler Has Low Pressure
- Issues With The Thermostat
1. No Hot Water – Ultimately, your gas boiler isn’t doing its job when this happens, and there are a few possible causes.
- A diaphragm or airlock is broken.
- There’s a low level of water.
- There could be something not right with the thermostat.
- A motorised valves has broken.
2. Your Boiler Dripping Or Leaking
Leaks and drips are a clear indicator of a likely more serious situation, but except when you are qualified to do so you should not attempt to identify the situation for yourself. Most of the causes for the boiler to have drips or leaks are going to call for a qualified boiler technician to deal with them. Leaks and drips are commonly caused by a malfunctioning pump seal or pressure valve. After it is repaired, you may need to lower your boiler’s pressure, the boiler technician will gladly advise you on how to do it.3. Strange Sounds Coming From Your Boiler
Probably easily the most apparent of all boiler problems is when your gas boiler starts to make unusual sounds, like gurgling or banging. It’s likely that air is caught within the system is the issue, but it could additionally be because of low water pressure. However, the situation can also be even more serious, such as the boiler reaching the end of its life and you need a new boiler fitted.4. Extinguished Pilot Light
The solution for an unlit pilot light is easy, just relight it. But right before trying that you should really take a look at the system to establish if there’s an even more dangerous issue primarily. Issues you might discover include:- A close by draught extinguishing the light.
- Build up near or around the {pilot}light that extinguishes it.
- The supply of gas could be halted by a thermocouple that needs repair.