Window Balance

Quick Learner from Saint Louis
Hi, I'm trying to identify this part. I can try to add any additional info that is needed to help identify. The plastic pulley broke on the one balance and I need to get two replacements so I can change them both. Thanks!
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Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

It appears your window uses either the Series 351, with a 15-002 bottom attachment, or Series 390, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need.

Please also confirm the length of the metal channel excluding the nylon attachments and provide the number stamped on the metal channel. Thank you! 

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.

Quick Learner from Saint Louis
The metal channel is 29 inches excluding the nylon attachments. The number is "28 3 Caldwell HM"
1 user uploaded image
Lauren
Lauren from SWISCO
SWISCO
Expert

Thank you! Since the top and bottom fittings are wingless, you'd want the S351-29 or S390-29 depending on the depth of the bottom shoe. You can also select the 2830 stamp option for your replacements.

Please let us know if you have any questions. 

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.

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