On 13/03/2021 18:23, Harry Bloomfield wrote:
Tim Lamb was thinking very hard :
We both need the *wax stat* version:-)

I have a wax stat version on our bathroom extract, it works rather well
and never any wind noise.
Of got a fan with a waxstat shutter in it, in the utility room It works
well. I ought to do the same for the bathroom as that lets in a cold draught

--
If I had all the money I've spent on drink...
...I'd spend it on drink.

Sir Henry (at Rawlinson's End)