Searching for 25-3 D15 CMC 34

Thanks for posting. Please confirm that the length of the metal channel, not including the nylon attachments at either end, is 26". If so, see either our S380-26 or S385-26. The only difference between these two Series is the 'depth' of the bottom nylon shoe. With the Series 380 the depth of this nylon shoe is 1", whereas with the Series 385 it is 1-3/32". Compare with your own and see what is best.

Once you know what balance to select, you must pick a stamp option. Your stamp number of 25 3 conforms to our stamp option of 2530, for a window sash in the weight range of 15 through 19 lbs. Let us know if you have any questions.