Ten Common Boiler Problems

The boiler is the heart of your home. But what happens when things go wrong? Here are the ten most common boiler problems.

1. No Pilot Light

The pilot light may have blown out, or the thermocouple may be broken. If your gas supply is all right, you should be safe to re-ignite the pilot light following the instructions for your boiler. However, if your other appliances don’t work either, get in touch with your gas supplier immediately.

2. No Heat

If your boiler has broken down, call a boiler engineer to diagnose the problem.

3. Leaks or Drips

These can be caused by corrosion or a broken seal or valve. Whatever the cause, don’t try to fix the problem yourself - call a gas engineer.

4. Noisy Boiler

Those strange gurgles, whistles and bangs are caused by air trapped in the system. Try bleeding your radiators to see if this solves the problem, and check that your condensate pipe isn’t frozen. Check the positioning of heating pipes to make sure they’re not expanding and knocking against the floorboards. If you’re in any doubt, contact a registered gas engineer.

5. Radiators Cold

If some of your radiators are cold or heating unevenly, then you need to bleed the system. This is a straightforward job, but if there’s no improvement, the system may need flushing.

6. Lack of Pressure

If the pressure gauge falls below 1, then you need boiler repair in Gloucester immediately. A lack of pressure indicates a leak in the system or a failed component, so get in touch with a reputable company like http://www.hprservicesltd.com/gloucester-boilers/boiler-repair-gloucester/ to check the system.

7. Frozen Condensate Pipe

If you have a condensing boiler, the pipe that drains the condensate water can freeze in cold weather. You can thaw the pipe yourself, or contact a heating engineer if you’re not confident.

8. Kettling

Live in a hard water area and your boiler sounds like a kettle? Chances are it’s caused by a build-up of sludge in the system, so arrange to have it flushed.

9. Thermostat

If you’re having boiler problems, check the thermostat. It could be that the system is healthy but the thermostat has failed.

10. Boiler Keeps Switching Off

Could be low water pressure, a problem with the thermostat or a lack of water flow due to a closed valve, air or the pump not circulating the water in the system properly. We’ve covered each of these issues in more detail above, but if you still can’t identify the cause we recommend calling out a Gas Safe registered engineer to take a look at your boiler.
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