WW Milgard Balance Springs replacment

Home Owner from Chico , CA
Jul 21, 2023 4:24 pm
One of the balance springs failed on a Milgard window.

12 inches long

Number on metal: 11 2 FP Caldwell
20230721_133234 20230721_133237 20230721_133302 20230721_133225 20230721_133228
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Bob
Bob from SWISCO
Jul 21, 2023 9:26 pm
SWISCO
EXPERT

Hello there. This looks like either an S380-12 or S385-12 Channel Balance. The only difference between these two balances is the depth of the bottom nylon shoe, or the 'heel-to-toe' measurement, so compare both with your old hardware to see what matches best. For a stamp option choose 1120.

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.

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Products and resources found in this discussion
12" Series 385 Channel Balance
12" Series 385 Channel Balance
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12" Series 380 Channel Balance
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S380-12
$9.34
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