Simonton window replacement parts

A home owner from USA says:
June 19, 2017
Have 20 year old single hung windows. One window is hard to open and close with a broken part under the coil covers on one side. Want to get all new parts for that one side but not sure what part numbers are.
hope the attach pictures will help.
Pivot shoe
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Tom from SWISCO responded:
June 21, 2017
I would recommend our 15-111 pivot shoe, 15-150D clip, and Series 165 coil spring. You will need the number printed on the old spring to determine the best Series 165 option.
A quick learner from Bay City says:
September 28, 2023
Hello,
I am a new homeowner and my window was missing some parts to it. I think I am missing the balance to my double hung window since the window wouldn't stay up. I am not sure what parts I need. Please give me any suggestions.
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Tom from SWISCO responded:
September 29, 2023

Unfortunately, without using the old balance as a reference, it's not possible for us to identify and recommend a replacement. Do you have another window in the house that uses the same hardware? If so, we can use that to determine the best option for you. 
Pivot Shoe, 1/2" Thick
Pivot Shoe, 1/2" Thick
15-111
$2.44
1/2" Coil Double Support
1/2" Coil Double Support
15-150D
$1.57
How to replace a window coil balance
How to replace a window coil balance
VIDEO
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How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
VIDEO
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How to remove window pivot shoes
How to remove window pivot shoes
VIDEO
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Anatomy of a tilt window
Anatomy of a tilt window
VIDEO
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Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
GUIDE
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