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Why boilers fail in winter (and how to avoid it)

Why boilers often break down when the weather turns cold, and how to avoid it.

Why boilers fail in winter (and how to avoid it)

It has barely been used all summer

After months of light use, the boiler suddenly has to work hard. Worn parts often fail when the heating first goes on.

Frozen condensate pipes

The white plastic pipe outside can freeze and stop the boiler working. Lagging the pipe helps. If it does freeze, pouring warm (not boiling) water over it usually clears it.

Low pressure

Systems lose a little pressure over the year. Check the gauge in September, top it up to around 1.2 bar, and you can avoid a lot of call-outs.

Get it serviced before it is cold

A service in late summer finds worn parts before the cold weather arrives.

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