Coil Blance replacement

A quick learner from USA says:
Attached please find pictures of a replacement window part I am looking to purchase. The measurements of the sash is 28
User submitted photos of a window balance.
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Paul from SWISCO responded:
I believe our 15-177 with a 33-071 screw and Series 152 coil spring could work for your window. You will need to match the numbers printed on your old springs to our Series 152 option to determine the correct one. What do you think?
A quick learner from Nesconset, NY says:
Thanks for this info Paul! I will be heading into Queens and getting the weight of this window early next week, so I'll be back to determine the correct coil springs to place my order! Thanks again!
A quick learner from Nesconset, NY says:
There are no numbers visible on the coil springs, but the sash weighs 19.5 pounds. Could you help me determine which coil springs would work with that information?

Thank you...Rich
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Paul from SWISCO responded:
Perfect, thanks. I recommend four S152-5 coil springs; two on each side of sash. That should be enough to support your window weight.
A quick learner from Nesconset, NY says:
Thanks Paul, just placed my order.
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Paul from SWISCO responded:
Great! Thank you for your order. If you ever need anything else, we're always here to help.
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