On Fri, 06 Jul 2007 06:20:10 -0700, GaryMichael
wrote:

I've gotten conflicting advice on whether or not to replace the line
between inside and outside unit. Some say the current line with R22
can be purged and then used with 410. Others say no, can't be
thoroughly cleaned and will cause problems down the road. Unit is a
heat pump, if that matters. Any thoughts?


The thought that comes to mind is why change?

tom @ www.FreelancingProjects.com