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Casey from SWISCO responded:
April 27, 2020
Hello, We'd be happy to help you identify the correct replacement balances for your window but we will need to see a picture of an undamaged balance, removed from the window, to get started. Thank you! |
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Casey from SWISCO responded:
April 29, 2020
Hello, We did receive your pictures and It looks like you have either our S351-28, with a 15-002 bottom attachment, or S390-28, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need 2730 spring strength options for your replacement balances based on your 27C stamp on your originals. Thank you! 
Comparison of the S351 and S390 balance shoes.
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