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Tom from SWISCO responded:
November 7, 2019
Hello! based on your photos, I recommend either our S380-30 or S385-30 channel balance. The only difference between these two products is the depth of the bottom nylon fitting. You'll have to measure yours and refer to our dimensions to confirm the best match. I also note that your stamp, "29 9" ends in a 9. This is an old rating system that has fallen out of use. One of our modern stamp options should still work for you, but you'll have to weigh your sash on a scale. We have charts on each balance store page that tells you how much weight each option support. |
