Think window is a MI 3500 vinyl single hung window

Home Owner from Saint Simon's georgia
Can you please ID track shoe and spring. Sash weight is about 20 pounds.
Thanks
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2 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

Your pivot shoe looks like a match to the 15-180 pivot shoe, which is designed to be used with the Series 190 coil springs. Take a look and compare the dimensions below to yours. 

I would recommend using two S190-540 coils on each side to support a 20-pound sash. We also offer the 15-181 double support and 15-182 busing for this assembly. Thanks for posting!

Alternate image for 15-180
Alternate image for 15-180

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