Robert wrote:
that the cast iron pipe that I have to connect onto has a
bore of about 83mm. The adaptor that I have is suitable for modern
110mm plastic pipe and the black-ridged bit is about the same diameter
as the outside of the CI pipe.

Multikwick MKS10 for CI ID 74-77mm and
MKS7 for CI ID of 88-92mm

Can't offer any clues where to get them though

Lee
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