On 29/12/2010 11:30, vsop wrote:

"Pam Moore" wrote in message
...
I have just been in my garden to look at my Max/Min thermometer.
Minimum has been -12 and Max, this morning, is +8 or 9.
What have others recorded?
Everything looks very sad and I need to get out with secateurs and a
sack!

In our particular location just north of Nottingham we are usually
fortunate in missing those extremes of foul weather often suffered by
other areas..... don't know why this is. However, at some point in
the last fortnight my max-min thermometer recorded -15c....... and
this was inside the greenhouse !!
It was perhaps the day our central heating condensing boiler packed-up
because the drain outlet froze, apparently a common feature of this
type of boiler....according to today's Daily Mail.

vsop
Bad Installation, condensate pipe should be lagged and most importantly
there should be an air break in the condensate pipe within the heated
envelope of the house. It's a warning; if it drips then the drain
outlet is blocked by ice or whatever. It also prevents the boiler
filling with water.