Window channel measure
A quick learner from Allentown, Pa says:
September 27, 2016
Have 25" channel measure needs replacing. Window has 25" and 28". Top window is one broken. 25". I guess both sides needed??
Tom from SWISCO responded:
September 30, 2016
Thanks for posting. I'm afraid I cannot identify what you have based on the stamp alone. That isn't any kind of part or identification number. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.