which coils do I need

Handy Person from Philadelphia, Pennsylvania

I don't know how to do online chat & I was unable to reach (888) 991-1929, so I took attached photo

which coil should I buy?

Attached are photos of the front and back of the pivot shoe. Width one and quarter inches, thickness is 9/16 inches

We just need 4 to 6 coils, half inch wide, about 50 inches long

The number on the coil is 9 or 6, my double hang window weights 18 pounds

Thank you!

4 user uploaded images
2 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

I'm sorry to hear that you had trouble getting through to us on the phone but we'll be happy to help! Your photos resemble the 15-180 Pivot Shoe, which works with Series 190 Coil balance springs sold separately. For an 18-pound window, you'll need one S190-940 on each side. 

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

We also offer the 15-186 clip and 15-182 bushing if needed. Review the specifications of these parts and let us know if you have questions. Thanks for posting! 

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