Replacement block and tackle spring sash

Home Owner from Texas
Hi,

I sure could use some help. I need 10 block and tackle spring sashes.

Marks on sash: 22 4 AW CMC 7
Length of the metal part of sash: 23 inches width 1/2 on closed side 11/16 on open side. depth is 9/16
Total sash length: 24"

Thanks very much!!

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4 Replies
Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

We can assist with replacements, but to further review, we will need to see the inside of the metal channel where we can view the connection point between the spring and pulley system. 

Please also provide additional pictures of the top and bottom attachments. I believe they may be non-winged, but I cannot confirm from the placement of the measuring tape. From there we can narrow down the series of balance needed for your window. Thank you! 

Home Owner from Texas
Thanks so much for working with me.
5 user uploaded images
Lauren
Lauren from SWISCO
SWISCO
Expert

Thank you for the additional pictures,

It appears you have either the Series 351, with a 15-002 bottom attachment, or Series 390, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need.

You will need a 23" balance with a 2240 stamp option. Please review and let us know if you have any additional questions! 

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.

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