2830 Series ??? Channel Balance

A quick learner says:
Hello Swisco,

How can I distinguish the 29” 2830 Series 390 Channel Balance from the 29” 2830 Series 351 Channel Balance? From the photo on your web site it appears that the only difference is the 15-001 vs. 15-002 shoe. How can I distinguish them, they look alike. I have attached a photo of the shoe.


User submitted a photo of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Mark. Take a look at the dimensions of the 15-001 and 15-002? They're different. Carefully measure your own shoe and see which is closer.
15-001 and 15-002
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