On 03/03/2018 09:22, GB wrote:
Our boiler flue slopes downwards, so most of the condensate runs out
that way. This is the result:

http://tinypic.com/m/k2k6k6/2



(For Brian, it's a massive icicle hanging from our bin which is right
under the flue.)

I think a dripping tap caused this one (for Brian more ice)

http://wiki.diyfaq.org.uk/index.php/...pingtapice.jpg

Probably the drips blocked the fall pipe and then the rest is history
after the sink was used.

--
Adam