Replacement Block and Tackle Channel

Handy Person from Manhattan
Hi,

Hope you had a good holiday. The U-Channel measures 26" and the width would be 1/2." I guess "25F is length and an older sash weight indication. Let me know which of your products would replace this.

Thanks.
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Jasmine
Jasmine from SWISCO
SWISCO
Expert

Hello,

Thanks for writing in! Your channel balances look a lot like either our S351-26 with a 1" shoe or our S390-26 with a 1-1/8" shoe. Carefully compare the dimensions shown below to confirm the series you need. If your measurement differs from either shoe depth, please let me know the measurement as you'll likely need a custom made assembly.

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

You should be able to use the 2560 stamp in place of your 25F stamp. Although, you may want to confirm that your sash weight falls between 28 to 30lbs. You'll want to confirm the weight, down to the ounce (if possible).

Handy Person from Manhattan
Thank you very much Jasmine for your excellent help! I ordered the S390-2560s, which should replace the old ones perfectly. Best Regards, Julian
Jasmine
Jasmine from SWISCO
SWISCO
Expert

Hi Julian,

I'm glad I could be of help! Please don't hesitate to reach out with any other hardware repair projects you might have.

Happy New Year!

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