On Wed, 01 Aug 2007 01:51:10 -0700, 1501
wrote:

... On 31 Jul, 23:28, Mike P mike@askme wrote:
...
... Would the upstairs ones be more likely to be cleaner than the
... downstairs ones ?
...
... Mike P
...
...
... Usually, since the sludge will find its way to the lowest point(s).

Thanx Brian ....... I was hoping gravity would play a part. I will
flush all downstairs rads and see how they are.

Mike P