Hello,
I had an incident that destroyed both balance springs in my single hung window. The window has a placard that identifies it as a series 1500 SH, model H-LC25-48x96.
The windows are non-tilt and use channel balances that are 1/2" in width. The 'heel-to-toe' measurement is about 1 3/32", and the length of the metal channel is 25", so I'm leaning toward the S385-25.
The channel balances most closely resemble products S80, S385.
However, I am lost as to what option to choose. The bottom sash (the part that moves) is about 13 lbs according to a postage scale that I have. From this, would I choose option 2420 or 2430?
I also ended up breaking one of the take out clips while removing the damaged balance springs. I'm leaning toward a product code 16-002 take out clip.
What parts should I order?
Thank you,
Phil
Balance springs for H-LC25-48x96 window

Home Owner from Hayward, CA
Jun 30, 2022 8:10 pm
2 user uploaded images
2 Replies

Emily from SWISCO
Jul 5, 2022 2:23 pm


Hi, Phil.
If your sash weighs 13 pounds, you'd want the 2420 strength option which carries a sash weighing 9 to 15 pounds. The 2430 option would be too strong since this is for a sash weighing 15 to 19 pounds.
If you have any questions just let us know!
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