Window balance coil and shoe

A handy person from GODEFFROY NY 12729 says:
September 23, 2016
Bedroom window will not stay up in position. Window measures 36 1/2" W X 55 3/8" H....No identifying brand name inside sash frame. Only a AAMA CERTIFICATION PROGRAM DECAL ( with series and numbers). Removed damaged coil and shoe. Coil is cut and shoe is cracked. Crack can be seen in last photo. Hopefully you can help. Thanks
User submitted image of their window hardware.
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Paul from SWISCO responded:
September 27, 2016
Hello! I think we should definitely be able to help. Your pivot shoe closely resembles our 15-180, which in turn works with the Series 190 coil spring. You will need to reference the number stamped on your existing spring to determine the correct Series 190 option.
A quick learner from GODEFFROY says:
September 28, 2016
That's great news!!!Thanks for all your help.. The number stamped appears to resemble the number 9...
How do I place and order for the pivot shoe and coil spring?
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Paul from SWISCO responded:
September 29, 2016
Hmm... we do not carry any springs that can hold 9 pounds. Could it be a 6 instead? To be 100% sure what option you need, you can weigh your sash on a scale and tell me what you get.
A quick learner from GODEFFROY says:
October 14, 2016
Yes I believe it could be a #6.....
User submitted a photo of a window balance.
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Paul from SWISCO responded:
October 18, 2016
Yes, I think that may be a 6. You can confirm by weighing your sash.
Coil Balance Shoe
Coil Balance Shoe
15-180
$3.97
Balance Bushing
Balance Bushing
15-182
$1.80
Coil Balance Clip
Coil Balance Clip
15-186
$5.05
640 S190 Coil Balance Spring
640 S190 Coil Balance Spring
S190-640
$9.74
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