Attached are photos of the channel balance for my vinyl sash window. The metal channel is 15 inches long and a 1/2 inch wide. The only number on it is the stamped
Paul from SWISCO responded:
November 3, 2014
Thanks for posting. I recommend that you look at our S385-15 channel balance with a 1440 stamp option. Just make sure the dimensions of the two nylon attachments match ours.