Need Replacement Channel Balances

Contractor from Oakland CA
Hi Swisco,

I need balance replacement channels for 12 non-tilt windows.
1. 29" (4 windows)
2. 32" (8 windows)



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Bob
Bob from SWISCO
SWISCO
Expert

Please double-check the length of the metal channels, not including the fittings on either end. The balances stamped 29-9 are likely 30" long, while the balances stamped 32-9 are probably 33" long. Let me know either way. Assuming I am correct, you need either the S380-30 or S385-30, and then either the S380-33 or S385-33. The only difference between the Series 380 and Series 385 is the depth of the bottom nylon shoe, or the 'heel-to-toe' measurement. This is illustrated in the image below. Compare both with your old hardware to see what matches best. 

Now, for both sets of balances you'll then have to choose a stamp option, which designates the balances' strength. Stamp codes ending with the number 9 are from an outdated rating system. To know what stamp options to select, weigh the window sashes. You can then match those precise weights with one of the weight ranges listed alongside each stamp option on any balance's product page.

Comparison of the S378, S380 and S385 balance shoes.
Comparison of the S378, S380 and S385 balance shoes.
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