SWISCO - The Replacement Hardware Authority

Series 301 Spiral Balance

The series 301 sash support system features a red tip spiral tube balance with an attached 15-012 nylon shoe, for a non-tilt window. The tube has a 3/8" diameter. Spiral window balances come fully lubricated and ready to be charged.
Series 301 Spiral Balance
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15" 16" 17" 18" 19"
20" 21" 22" 23" 24"
25" 26" 27" 28" 29"
30" 31" 32" 33"
click here for lengths over 33"