24 4 FS CALDWELL

A quick learner says:

I would like to replace these on 2 of my windows. Total 4 mechanisms needed. 25" channels. 

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Tom from SWISCO responded:

Hello,

With this combination of attachments, you could have either an S380-25 or S385-25 channel balance. You 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 2440 spring strength option for your balances. 

Thank you and let us know if you have any other questions or concerns.


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