Hello
The only markings I noticed on these balancers is 27 5 B.S.I. P0. I hope this is visible in one of the photos.
Jordan Window Balancers
Quick Learner from Las Cruces, New Mexico
Nov 19, 2025 7:16 pm
5 user uploaded images
2 Replies
Jasmine from SWISCO
Nov 20, 2025 12:03 pm
Thanks for posting! You'll need either the S351-28 or the S390-28 to replace your balances. To confirm the correct match, you'll need to measure the depth of your shoe.
Our 2750 stamp should work in place of the one your balance. Although, it may be a good idea to double check that you sash weighs between 26 to 30lbs.
Comparison of the S351 and S390 balance shoes.
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