On Sun, 16 Nov 2003 19:34:22 -0000, David Cawkwell wrote:

... how could I integrate this into the central heating circuit.

Dunsley Neutraliser. Though that may be a bit OTT with a 2 coil
cylinder. What you don't want is your Rayburn heated primary hot water
circulating through the oil boiler (it'll just act as big radiator
pumping heat up the flue...) or the oil boiler firing if there is
suffcient heat coming from the Rayburn.

--
Cheers
Dave. pam is missing e-mail