Need help ordering a spring/coil

Quick Learner from Austin, Texas
Hi,

I need help ordering a Series 160 Coil Balance, please. I can't determine the weight needed from the stamp. It kind of looks like a zero, so I'm thinking 10, maybe? I weighed the window with what I believe is an accurate luggage scale, and it came in at 14.1. So, do you think maybe two 8-lb coils would do the trick? Please let me know, and thanks.

PS I wish I had found you sooner. I decided to rob the balances from a window that we don't open much which is not a big deal, but I did have to cut the vinyl to get the balances out. I could have avoided that on one window if I had found you first. Sigh.
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2 Replies
Jasmine
Jasmine from SWISCO
SWISCO
Expert

Thanks for reaching out to us! Given the sash weight, you'll need the S160-07 which is a 7.5" coil. This will support a sash weighing 15lbs, which will be fine for your window. So long as the weight is within 1lb+/- of the amount of weight the springs can hold.

Be sure to double check that the width of your coil is 1/2".

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