Windows balance

A home owner from South San Francisco ca says:
Manufacturers Caldwell 18" stamp 17 4 KQ Caldwell Another one 24 3/8 " stamp 231/2 9 30# AL Caldwell
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Emily from SWISCO responded:

Hi there!

We'd be happy to help, but we'll need you to remove an undamaged balance with the end attachments intact to compare to our inventory. Take a look at the video below, it will explain exactly what we'll need to see to provide a recommendation. 

Thank you!

A home owner from South San Francisco ca says:
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Emily from SWISCO responded:

Hi there!

For this balance, 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'll also need a spring strength option of 1740.

If you have any further questions just let us know. 

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