SWISCO - The Replacement Hardware Authority

Is the Series 351 the correct one for me?

A home owner from Winter Park, FL says:
Hi, I'm writing to check if this is the right replacement part for our windows. 2420 is stamped on it, and it's 25" long, approx 1/2" wide. I'll attach some photos of the part I have. Thanks for your help.

User submitted photos of channel balance.
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Paul from SWISCO responded:
Yes, your balance looks like our S351-25 with the option 2420. Let me know if you have any other questions.
A quick learner from NY says:
I am looking at the Series 351 or 390 not sure
My balance is stamped 2430 if that helps
and the lenth is 25 in
What is the differance between the 2 Series?

Thank you
Profile picture of Tom
Tom from SWISCO responded:
There is only one difference between these two Series, and that is their bottom shoe. The Series 351 uses the 15-002 while the Series 390 uses the 15-001. I can't quite tell what you have based on your pictures, though. Please carefully compare their dimensions to your own hardware and see which is a better match.
Comparison of <a href='http://www.swisco.com/Channel-Balance-Shoe/pd/Replacement-Sash-Support-Channel-Balance-Shoes/15-001'>15-001</a> & 15-002
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