On Dec 19, 2:33*pm, "Phil L" wrote:
harry wrote:
You can buy a filter that has large magnets that gathers most of the
sludge up as water passes through it.
This needs to be installed on the heating pipe immediately before the
boiler.
The filter has to be periodically cleaned out.
http://www.britishgas.co.uk/products...rs-and-central...

Does he install this on the pipework before his magnaclean or after it?

Oh, I missed that bit!