SWISCO - The Replacement Hardware Authority

29" Series 400 Spiral Balance

Product Code: S400-29

Product Description
Series 400 spiral tube balance with a cross piece, for a non-tilt window. The tube has a 29" length and a 3/8" diameter. Spiral window balances come fully lubricated and ready to be charged.
Color Tip Sash Weight Range
Red 10 to 22 lb
Green 14 to 26 lb
*This information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate.
Good Idea!
Balances are sold individually, however, it is a good idea to replace both window balances at the same time. Pairing a new balance with an old one would cause the new balance to wear out faster.
Helpful Tip!
You should choose the color tip that matches the color tip of the balances you are replacing. If you do not see the tip color available in 'options' or you are unsure of which color to choose: ask our experts for help.
Customer Questions & Comments
Discussion # Of Replies Last Post Date
Spiral RodThis discussion includes image(s). 2 Sep 13, 2016
Help with Better Built window balancesThis discussion includes image(s). 2 Feb 26, 2016
S400-29 bracket optionsThis discussion includes image(s). 4 Jan 27, 2016
Tension PressureThis discussion includes image(s). 4 Dec 17, 2015
Several of my window springs are failing 2 Apr 20, 2015
Spiral Balance questionThis discussion includes image(s). 7 Mar 27, 2015
Replacement balances This discussion includes image(s). 13 Mar 23, 2015
29" long x 3/8"OD spiral balanceThis discussion includes image(s). 2 Oct 28, 2014
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