On 21 June, 20:30, "Roger Mills" wrote:
I've just spent a few days in a holiday let in Cornwall, where the heating
and hot water was provided by an elderly-ish boiler which was unfamiliar to
me. Since one of the days was wet, and there was little point in going out,
I decided to investigate and take a few pictures - as one does(!)

****ing hell, what's the next excursion? A trip to north wales to rod
the drains and provide schematics for sewage system??