Window Balance 1540

Quick Learner from Tinton falls
Hi I would like to know if you have the following window balance available:

The balance is stamped 1540. It is 16 inches long not including the top and bottom attachments. The width is 1/2 inch. Attached are the photos of the actual balance and serial #. Thank you.
User submitted a photo of a window balance.
4 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Good morning! It looks like you only uploaded a picture of the top attachment. Could I also see the bottom attachment? Let me know!
Quick Learner from tinton falls
Here is the photo of the bottom attachment w/serial number. thanks again for your help.
A customer submitted image of their channel balance shoe.
Tom
Tom from SWISCO
SWISCO
Expert
Hey, thanks for posting. I've narrowed this down to two possible channel balance Series: either our Series 380 or our Series 385 balances.

Now, as you can see, there is only one difference between these two Series, and that is their bottom shoe. The Series 380 uses the 15-005 while the Series 385 uses the 15-004. 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 15-004 and 15-005
Comparison of 15-004 and 15-005
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