Balance for Lawson windows

Handy Person from Marco Islsnd, Fl
Need 2 balances for Lawson window. part number on the balance is 3540 - 36 inches long.
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Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

With this combination of attachments, you could have either an S380 or S385 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. 

You will need a 36" balance with a 3540 stamp option. Please review and let us know if you have any additional questions! 

Comparison of the S378, S380 and S385 balance shoes.
Comparison of the S378, S380 and S385 balance shoes.

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