Channel Balance/Replacement

A home owner from Orange county, california says:
The length is 29" ( 30 actually) and writing on the part is

29 3 BX CMC 10

Thank you very much, look forward to hear from you
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Bob from SWISCO responded:

Thanks for posting. Please confirm the length of the metal channel. Do not include the end attachments in that measurement. For a balance stamped '29-3', the length should be 30", but confirm just to be safe. If so, then you likely have either the S385-30 or S380-30. The difference between these two channel balances is the depth of the bottom nylon shoe, or the measurement from 'heel' to 'toe'. See the diagram below for reference. Compare both with your old balance to see what matches best. In either case, for a new stamp option choose 2930.

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

A home owner from Orange county, california says:
Thank you very much !
Really appreciated your comments. When I measured just metal rail, i believe the length was 30" but i will double check to make sure.
Also i will double check on the end attachments like you mentioned.
Thank you for your help and have a nice day !
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Bob from SWISCO responded:

You're very welcome! Best of luck with the rest of this project and please feel free to reach out if you had any other questions.

A home owner from Orange county, california says:
Thank you bob ! I placed an order , it was really hard for me to find those replacement parts but with your help i am very sure i ordered right ones. Thank you very much !
A home owner from Orange county, california says:
Hi Bob ! Hope you are having wonderful weekend, the replacements delivered last night and installed them. They were perfect and i really appreciated all your help.
Attached is the one of the windows I repaired. This window has shut for at least 2 years now, it is working !!!
I couldnt have done this project without your help.

Thank you very much and have a nice weekend !
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Bob from SWISCO responded:

That's fantastic news! Thanks so much for the update, and of course we very much appreciate your business. It means a lot.

Please don't hesitate to reach out to us if you had any other questions. We're always here to help.

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