Boiler stopped in freezing weather in Darlaston? A frozen condensate pipe is usually to blame. How to thaw it safely and keep it running all winter.
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The white or grey pipe from the boiler down to the drain outside, usually frozen at the bottom or a bend.
Warm water, never boiling, along the pipe, or a hot water bottle held against it.
Reset the boiler as shown in your manual and wait a few minutes.
A gurgle in freezing weather is the classic sign.
Lagging or a wider pipe keeps it flowing through winter.
A boiler that stops dead when the weather turns freezing has usually frozen its condensate pipe. Modern boilers make a little water as they run and drain it outside through a narrow plastic pipe. When that freezes, the boiler cannot clear the water and shuts down, often gurgling and showing a fault code.
In Darlaston, Moxley and Bentley there are many terraced and 1930s homes where the boiler sits on an outside wall and the condensate pipe drops straight down to a gully. Short, thin, unprotected pipes like that freeze quickly, particularly overnight.
Warm water on the frozen part and a reset usually brings it back. If it happens every cold snap, the pipe can be protected or rerouted so you are not caught out again.
If it stopped in freezing weather and gurgles, it is very likely the condensate pipe. Thaw it first.
Yes, on the outside pipe with warm water, leaving the boiler shut. Should you ever smell gas, leave the property, do not use light switches and call the National Gas Emergency line on 0800 111 999.
Ring us. There may be a separate fault.
Yes, by lagging, widening or rerouting the pipe.
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