The small plastic pipe carrying condensate from a modern boiler freezing in cold weather, which shuts the boiler down. Not a drain fault in the usual sense, but it presents as a blockage.
What it means for you
External condensate runs are the ones that freeze. Insulating or rerouting them prevents an annual call-out.
Not sure whether this applies to your property? Ask us. There is no call-out charge and the price is fixed before any work starts.
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