Can't find part number on window balance

Quick Learner from California
Window balance is 28" long but I can't read any other numbers, need help on ordering the correct balance.
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2 Replies
Tom
Tom from SWISCO
SWISCO
Expert

Thank you for your patience during this busy season. Your balance appears to be a match for our S350-28. If you can't read the stamp due to corrosion, then you need to weigh your sash on a scale and refer to the S350-28 chart to verify the best weight option.

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