Do I have the S390-29

Home Owner from St. Augustine, FL
I am sure the above item is what I need 2 of. Mine is 29" overall, the length of the metal part is only 28". Mine does not have a 4 digit number stamped on it.

It has 27 5 BSI RN stamped on it. The attached pictures should show detail of both ends.

Removal was not completely elegant. The mechanism squeaks badly and is very difficult to move. Therefore, replace both sides! Also need a #16-002 Take Out Clip.

Thanks, Jack
User submitted photos of a window balance.
4 Replies
Tom
Tom from SWISCO
SWISCO
Expert
Thanks for posting. Before I can confirm what Series channel balance you have, I'll have to figure out what your bottom shoe is. Please look at the measurements for our 15-001 and 15-002 bottom shoes and note their depths. As you can see, they are 1-1/8" deep and 1" deep, respectively.
Comparison of 15-001 & 15-002
Comparison of 15-001 & 15-002
Which measurement more closely resembles your own shoe?
Home Owner from St. Augustine, FL
Re: 23587

It looks like I have 15-001. Mine is definitely wider than 1" and it looks more like 15-001. Its width is actually 1-1/16", just not quite 1-1/8". As I said, the metal piece is 28" not 29". The sash weighs 25 pounds.

I would say I need the S390-28, and would the 2840 option be right? (Not the S351)

Jack
Tom
Tom from SWISCO
SWISCO
Expert
Thanks for posting! I agree, I think you should look at our S390-28. However, the S390-28 doesn't have a 2840 option. Rather, your current stamp corresponds to our 2750 stamp. You should compare your sash weight to the weight rating shown for the 2750 option and see if it will work.
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