SWISCO - The Replacement Hardware Authority

Need two Series 86 block and tackle 27 3 HO CALDWELL

A home owner from Irvine CA says:
I need two marking 27 3 HO CALDWELL 28" length 9/16" depth
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
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.
15-004 and 15-005
A home owner from Irvine CA says:
Hi Tom,

Thank you! I will try to measure it. Also, how can I find out what stamp option to place order?

Peter
Profile picture of Tom
Tom from SWISCO responded:
Based on your stamp, you could consider our 2730. However, you should weigh your sash and compare it to the options we show listed under each specific balance to determine what's best.
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