"Bod" wrote in message
...
On 07/05/2015 07:49, Jim GM4DHJ ... wrote:
Why do people insist on fitting air admittance valves outside? ... are
they
mad?...you see them everywhere...!


They look much better than having a long 4" vent pipe going all the way up
and 2ft above gutters.

some are quite low down and I always thought that was £70 or whatever asking
to be stolen ......