• How to: Thaw your boiler’s condensate pipe

If your boiler has broken down during freezing weather conditions, it’s possible this has been caused by a frozen condensate pipe.

What is a condensate pipe? This pipe transports waste water away from the boiler, usually outside to a drain.

What does it look like? A condensate pipe can be identified simply by looking at the boiler. Underneath the boiler there will be pipes entering and exiting – if there is a plastic pipe (usually white and roughly 2cm wide) and the rest are metal then this is likely the condensate pipe. It should lead outside of the property, likely into a drain.

How do I know if this is the issue? The boiler will often have a fault code or warning notification if the condensate pipe has become frozen.

How do I fix it? Follow these steps:

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