SWISCO - The Replacement Hardware Authority

Part Identification Help

A home owner from Colorado says:
Hi, One of our window balances has broken (the line snapped) and I need to replace it. The only identifying mark I can find on the part is 2040 BSI GL (BIS is perpendicular to the 2040 and GL). I'm attaching pictures in the hope that someone can help me find the correct replacement part; I have two windows of the same size so I'll probably replace all four balances at the same time. Thanks for the help!
User submitted photos of a window balance.
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Tom from SWISCO responded:
Hello again! See our S395-21 channel balance, this looks like it matches up to yours quite well. I'd also recommend the 2040 option, of course. See what you think.
A home owner from Colorado says:
Thanks for the help, Tom! I've ordered 4 of them today. :-)
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Tom from SWISCO responded:
My pleasure! Thank you for your order!
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