Window Balance

A home owner from Milford, CT says:
November 9, 2020
Hi, I have a window that has the 2 springs broken on each side, I was able to pull the white housing out of the sash, I attached a picture with it.
The window weighs 13.5 Lbs.
Can you advice which balances I need to fix the window?


Thank you.
Cris
Thumbnail of the uploaded file named Window Balance.jpg
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Bob from SWISCO responded:
November 11, 2020

This looks like a 15-087 Pivot Shoe, which uses Series 180 Coil Balances. If the window sash weighs exactly 13.5 pounds, use two of the S180-7 7 lb springs, one for each side of the sash. This will equal 14 pounds of support overall, which should work fine for your sash's weight. 
Coil Housing Pivot
Coil Housing Pivot
15-087
$5.97
7 lbs Series 180 Coil Balance
7 lbs Series 180 Coil Balance
S180-07
$4.97
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