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<DIV><FONT face=Arial size=2>There are flushing compounds, but as Barney says
they may or not help, probably not where the scale is hardened. What you
should do is repeatedly reverse flush the matrix, block, radiator and pipes with
a hose, keep reversing the flush direction until the water runs clear in both
directions. Even then you can't guarantee to have got it all out, almost
certainly not in fact, but it will probably be better.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>PaulH.</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV><FONT face=Arial size=2></FONT><BR></DIV>Does anyone have any
recommendations? Don't worry about it? Flush with<BR>something? If so,
what?<BR></BLOCKQUOTE></BODY></HTML>