"Mike Ring" wrote in message
52.50...
"John" wrote in
:

The link describes the type that is common in the USA and being
introduced in the UK now.

I guess the one being described is a siphon cistern which is somewhat
different

That's right, and I was going to suggest to the OP that if anything needs
renewing, fit a fluidmaster conversion.

I did recently and it's the dogs; dumps the tank in about half the time and
refills - quietly - in well under half the time.

20 ish squid from B&Q

Sounds interesting, I'll check it out.