window sash balance

A handy person from Jacksonville, Florida says:
August 18, 2014
The best I can tell I need a S380-25. However the stamp on the old balance is 24 9. Which replacement do I need.
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Tom from SWISCO responded:
August 19, 2014
I'm afraid that doesn't correspond to any of our stamps. You'll have to weigh your sash on a scale in order to determine the best option.
A handy person from Jacksonville, Florida says:
August 19, 2014
I dont understand. It is a basic Kinco balance about 12 years old. So the only option is to take the sash out an weigh it? Then when I get the weight how do I chose from there?
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Tom from SWISCO responded:
August 20, 2014
Yes, once you take out the sash you can place it on a scale to determine the weight. As you can see, the S380-25 has a chart where all the options are listed, in addition to all the weights each option can support. Simply cross-reference your sash weight to that chart to find the appropriate option.
25" Series 380 Channel Balance
25" Series 380 Channel Balance
S380-25
$10.55
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