"Graham." wrote in message
...
On 27/04/2018 12:26, Pinnerite wrote:
I tried a 24mm one from my bathroom. It wouldn't fit.
I bought a 22mm one and that was too small.
Today at a plumbing store (that didn't stock them) I was told there are
various types by different manufacturers.

Somebody please tell me that is wrong!



https://www.youtube.com/watch?v=-SBZK31sVNI

Is that going to help the OP? I thought the yanks still embraced the
Foot Furlong Firkin system.

Nope, they gave up embracing things with so many guns around
and the worst of the bull dykes being armed to the teeth.