ok, I've measured it at 15 litres/min outside at the garden tap. Better,
but not outstanding....

I think that`s similar to ours, and recently had our first central
heating system installed - a Worcester Bosch 28 SiII IIRC...

Works just fine :-)

--
Please add "[newsgroup]" in the subject of any personal replies via email
--- My new email address has "ngspamtrap" & @btinternet.com in it ;-) ---