Window Coil Balance Spring

A contractor from New Jersey says:
Hello,

I am looking for a replacement part for my broken window coil balance spring. It measures 3/4" in width and approx 1.25" in diameter. It has imprinted on it "334 J" (see attached photos). Please let me know what you suggest. Thanks.

Sal
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Sal. Please see our S170-334, I believe this could be what you want.
SWISCO S170 and S171 Coil Balance Assembly
SWISCO S170 and S171 Coil Balance Assembly
VIDEO
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How to Replace a Triple Coil Balance System
How to Replace a Triple Coil Balance System
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Removing a Triple Coil Window Balance
Removing a Triple Coil Window Balance
GUIDE
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