Window Channel Balance

Thanks for posting. See our S395-27 Channel Balance. Just double check that the dimensions and nylon attachments match with your old part. Your stamp number of 26 3 confirms with our stamp option of 2630, which for a window sash weight range of 13 through 19 lbs. If you are uncertain this is correct, you can always weigh your window sash to make sure it fits within this weight range. Let us know if you have any questions.