On Dec 4, 12:41*pm, "Lawrence Jenkins" wrote:
"Gaius" wrote in message

...

In article , mcc11639
@gmx.co.uk says...

gareth2701 wrote:

On further inspection the condenser pipe from the boiler to outside
has frozen as all the drips have mounted up in the plastic pipe to the
drain and frozen and the boiler switches off,

If it's at all possible try lagging the condenser pipe.

Make sure the condensate pipe slopes downwards at all points. The
heating engineer told me this - he reckoned that a large proportion of
winter failures are due to pooled water freezing and blocking the pipe.

That makes sense .

Mine slopes very well but it did not stop it