I have an 8500 series window that broke the coil and shoe, which shoe should I order?
this is the bottom left side, the window when removed weights 18 lbs, on the shoe it has a 9, so I should get a 9 lb coil, right? the shoe is broken so which shoe replaces the one I have?
window coil balance with shoe
Handy Person from
Sep 3, 2023 2:37 pm
5 user uploaded images
4 Replies
Bob from SWISCO
Sep 3, 2023 3:46 pm
Thanks for posting. This is likely a 15-087 Pivot Shoe, but make sure the width and thickness listed below match. If so, this shoe uses Series 180 Coil Balances. Yes, if the window sash weighs exactly 18 pounds, use the S180-9 9 pound springs, one for each side of the sash. Let me know if you have other questions.
Detail of 15-087
Series 180 coil balance diagram
Handy Person from Massachusetts
Sep 3, 2023 8:11 pm
I see I have to order 2 separate pieces, how do you put the coil inside or does it come already put together?
Bob from SWISCO
Sep 5, 2023 3:21 pm
These components unfortunately do not come assembled, but the good news is that it's very easy. The 15-087 carrier simply snaps apart into two pieces. You then put the spring inside and snap it back together.
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