On Thu, 8 Sep 2011 12:45:37 -0400, "RogerT"
wrote:


One place you could try looking is: http://www.swisco.com . Their website
has lots of pictures to choose from to help decide what you need and what
may work. They are located in Camden, NJ but do most of their window and
door parts via the Internet, I think.


And another: Channel balances for double hung window sashes.

http://www.allaboutdoors.com/index.php?cPath=85_113