Peachtree double hung

A quick learner says:
This is for a doublehung window. Measures 14 1/4"
Marking is 3636 HK Caldwell

Thanks for your help
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Casey from SWISCO responded:

Hello,

Take a look at our S745-14 Peachtree balance. I'd recommend weighing your window sash and following the chart under the product description to choose the correct strength option. Thanks for posting! 

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