Caldwell balance

A quick learner says:
May 17, 2021

The metal is 29" long and I am looking 8 of these

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Emily from SWISCO responded:
May 19, 2021

Hi there!

With this combination of attachments, you could have either an S380-29 or S385-29 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 2830.

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.
A quick learner says:
May 19, 2021
so what are the options 2810 2820 etc.?
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Emily from SWISCO responded:
May 20, 2021

The stamp on your metal channel is "28 3" which represents the weight your sash holds. So, you'll need to choose the 2830 option. 
29" Series 380 Channel Balance
29" Series 380 Channel Balance
S380-29
$11.10
29" Series 385 Channel Balance
29" Series 385 Channel Balance
S385-29
$11.10
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