SWISCO - The Replacement Hardware Authority

Balance spring

A quick learner from window frame says:
size is approx. 1 1/4 inch wide and 5 inch long I have a contractor at my house that can put it in
User submitted photos of a window balance.
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Tom from SWISCO responded:
Hello! Please see our 15-177 pivot shoe and Series 152 coil spring. I believe these parts should match what you have installed now.
A quick learner from New Jersey says:
What is the white plastic thing on top? I need that too. Thanks!
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Tom from SWISCO responded:
Sure, our Series 152 is compatible with the 15-144. It's not exactly like yours but it should work the same way. These stack, so you would need one per spring.
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