Repair or replace window track/balance

A handy person from Westport, CT 06880 says:
April 12, 2024

My windows are double hung 8 pane wood circa 1984 tilt out windows that slide on two full length plastic tracks that contain two 18 1/2" springs for balancing the windows. Tracks are 1 1/4" wide and approximately 53 1/2" long. Looking to repair or replace tracks on 6 or so windows

Donald  

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Profile picture of Bob
Bob from SWISCO responded:
April 14, 2024

Hey Donald. The fricton shoe and our pivot pin is the 15-104 and 20-016. However, we cannot replace this spring. This is a setup where a naked spring is built directly into the jamb liner of the window. Contact a mill work in your area. They should be able to replace this whole setup for you. Let me know if you have any other questions. 
Caradco Friction Shoe
Caradco Friction Shoe
15-104
$1.95
Tilt Pin
Tilt Pin
20-016
$0.90
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