Need a new Channel Balance

A home owner from Everett, WA says:
Hey, GREAT SITE. I need a new Channel Balance for my window. I believe I need

26" Series 380 Channel Balance
Product Code: S380-26

I am unsure on the weight?

Attached are picture that I hope help. Thank you
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thank you! If the stamp reads 25 3, I recommend our 2530 option. You just might want to weigh your sash to ensure that that's correct.
A quick learner says:
Thanks man, took it out, weighed it and it was 23lbs so I went with the 2540. Thank you for the help!
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