Balance Coil Replacements Needed

A quick learner from Ypsilanti, MI says:
April 18, 2015
I have attached pictures of what coils need replacing in each window. The windows are are vinyl, single sash,double pane windows. Two of them are 22w x 29h and two are 33w x 29h. The Series 140 look like they will do the job for both windows, assuming I get the double coil for the larger window? Do I order left and right coils?

Thanks for your help
User submitted photos of a window balance.
A quick learner from Ypsilanti, MI says:
April 21, 2015
Note, in the post with pictures, that the double coils for the 33w x 29h window sash are located at top of window so I assume the coil spring needs to be long enough to reach the lower sash.
A quick learner from Ypsilanti, MI says:
April 21, 2015
The 22w x 29h sash weighs 12 lbs.

The 33w x 29h sash weighs 19 lbs.
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Paul from SWISCO responded:
April 21, 2015
The Series 140 would be an easy solution, but I'm not sure if they'll work in your windows. Can you show me a picture of the pivot bar that inserts into the shoe? That will help me determine if it can work with the Series 140 balance.
A quick learner from Ypsilanti, MI says:
April 21, 2015
Attached is pivot bar picture with dimensions.
User submitted a photo of a pivot bar.
A quick learner from Ypsilanti, MI says:
April 21, 2015
In addition to the previous post picture, note that the pivot bar is rectangular in shape: .2 inches high and .3 inches wide.
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Paul from SWISCO responded:
April 22, 2015
Thank you! Yes, I believe that pivot bar will work with out Series 140 coil balance. For the 12 pound sash, I recommend our S140-7, and for the 19 pound sash I recommend our S140-10. Please just make sure you have enough room in the jamb track to fit these balance systems!
A quick learner from Ypsillanti says:
April 23, 2015
The larger window 33w x 29h, had the coils mounted at the top for some reason(see picture). This required a coil that is about 54 inches long. Will the S140-10 coils be long enough to work from there, or can I just mount them lower and still have full window operation?
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Paul from SWISCO responded:
April 23, 2015
The travel is about 35", so I would mount the Series 140 near the middle of the window.
A quick learner from Ypsilanti says:
April 27, 2015
I just wanted to thank Paul for his assistance in determining the correct balance coils for my windows. I installed them without too much trouble today and the windows are operating much better. Your friendly and timely assistance means I will always turn to SWISCO first for any future hardware needs.
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Paul from SWISCO responded:
April 27, 2015
Oh, that's great news! Thank you for your order, and for letting us know how it worked out. If you need anything in the future, I'd be more than happy to assist you.
7 lb Series 140 Quick-Tilt, Single
7 lb Series 140 Quick-Tilt, Single
S140-07
$7.97
10 lb Series 140 Quick-Tilt, Single
10 lb Series 140 Quick-Tilt, Single
S140-10
$9.85
Pivot Bar, 3"
Pivot Bar, 3"
26-040
$1.57
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