"news" wrote in message
...
Doctor Drivel wrote:
wrote in message
oups.com...
So with all this talk of cheap boilers, what make of boilers have a
one piece heat exchanger?

Ideal: Icos, Istar
Keston: all
Viessmann: all
Worcester-Bosch Greenstar and others
Eco-Hometec
Quantum
Gledhill
Potterton Promax (spit)
Nearly all the expensive top makes.

you seem to have missed the point :- cheapest

They are cheap. None are nasty.