The most common boiler problems

Boiler Turns Off

Cause:

This can happen for a number of different reasons, including low water pressure, thermostat issues, or if you have a frozen condensate pipe, air in the system or a faulty pump.

Pilot Light Keeps Going Out

Cause:

The most common reason for this happening is a faulty thermocouple, although it can also be caused by damaged seals.

Noisy Boiler or Noisy Central Heating

Cause:

A noisy boiler is often caused by “Kettling”, which is a build up of limescale in the heat exchanger. Banging, gurgling, rumbling or whistling pipes can be caused by a build up of limescale or air in the system.

 

Thermostat Doesn’t Work Correctly

Cause:

This could be caused by a faulty thermostat. Older thermostats tend to deteriorate over time, and can cause issues for your central heating system.

Boiler is Leaking or Dripping

Cause:

There are a number of reasons why this may happen, from loose connections inside the boiler, to broken parts.

Boiler is Losing Pressure

Cause:

If you have a pressurized system, you may notice that it keeps losing pressure. This could be caused by a water leak, or a problem with the expansion vessel.

A boiler is one of the most important appliances in the home, which is why you should keep an eye out for any of these common boiler problems.

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