If part of your condensate pipework is outside and does freeze during a prolonged period of very cold weather, you might hear a gurgling noise coming from the boiler and if your boiler has a digital display, you may see an ‘EA’ error code too. There’s no need to worry if your condensate pipe freezes. You can usually thaw it safely without the need to call an installer or engineer.
See below for our 'How to' video
Condensing boilers require an additional pipe to be fitted to carry away waste water that forms as a result of the normal condensing process. This is called the condensate pipe, it is normally plastic and runs from the boiler to a household drainage system or soakaway outside. Evidence of condensed water running through the condensate pipe is an indication that your boiler is working normally.
How to defrost a frozen condensate pipe
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