Thanks for the interest Mark.
It's a bigas system,
[PHP]http://www.bigas.it/HomePage.asp?lang=eng[/PHP]
BRC would have been £50 more, PRINS £125 more. Stuart made no attempt to sell me a more expensive system, he said the Bigas system was as good as any.
I've had 2 'services' now. Which is a chap coming out with a chipped mug of dilute washing up liquid and an old paintbrush to check for leaks! No problems