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Jasmine from SWISCO responded:
March 15, 2024
Thanks for posting! Your balance appears to be either the S380-24 with a 1" shoe or the S385-24 with a 1-3/32" shoe. To determine which series is needed for your window, look over the dimensions from the diagram below to confirm the depth of your bottom shoe. Keep in mind, there is a chance that it could measure 7/8". If so, please let me know as these will need to be a custom assembly. 
Comparison of the S380 and S385 balance shoes.
Since your balance is stamped with a 23DS37, I believe your sash may weigh 37lbs. If so, you should be able to use the 2370 stamp option, which can support a sash weighing 34 to 37lbs. I suggest weighing the sash to confirm. |
