Sliding Window 27" and 21" Sash Balance 25-30 lbs

Home Owner from Los Angeles, CA

Please, let me know the part numbers for these items so I can order them.

Thanks,

Reza 

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4 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

With this combination of attachments, you could have either the 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 to locate the stamp codes on the balance channels to choose the corresponding spring strength options for your replacements. Thank you and let us know if you have any other questions or concerns.

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

Home Owner from Los Angeles, CA
Hello Casey,
Thanks for your prompt response.
It looks like the S380 with 2650 will work for my window.
Reza
Casey
Casey from SWISCO
SWISCO
Expert

Great! Keep in mind that you'll need to check the stamp code on the smaller 21" balances you mentioned as well. 

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