Series 140 replacement

A home owner from USA says:
Per your instructions...this is what I have currently......20lbs series 140
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
Thank you! This looks like our 15-175 pivot shoe, which is often used with our Series 152 coil spring. Is your shoe the only thing that's broken? If so, you could just replace that and reuse your old springs.
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