peachtree balancer

A contractor from pensylvania says:
February 24, 2023
trying to repair peachtree windows. These are double hung non-tilt windows. The balancers are stamped 3660 1 J 1. I think I need your S745 balancer 26 1/4 long. I did not weigh the sash, so I am not sure which of the 3 sizes I need. Does the # stamped tell you what size or do I need to take the sash out and weigh it?
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Jasmine from SWISCO responded:
February 27, 2023

Thanks for posting. I am unable to cross-reference your stamp with our stamps. So, you will need to weigh the window to confirm the correct stamp.

Once you have the window weight you can identify the stamp by looking for your weight range. There is a chart below the product description of the S745-26 Channel Balances.
26-1/4" Peachtree Balance
26-1/4" Peachtree Balance
S745-26
$16.90
How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
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How to replace a non-tilt channel balance
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Choosing a Non-tilt Channel Balance: What Will We Need?
Choosing a Non-tilt Channel Balance: What Will We Need?
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