broken tilt window coil spring

A handy person from trenton nj says:
this is off a regency double hung window that i installed 18 years ago.this part measures 1-3/16 wide=1/2 deep=1&7/8 long & the spring that has broke is 1/2 wide & 20 1n. long the size of the window is15in. wide & 26in. high. can you help me out with this part. thanks, norman
User submitted photos of a coil window balance.
Profile picture of Paul
Paul from SWISCO responded:
This pivot shoe closely resembles our 15-180. If you agree, then I would recommend our Series 190 coil spring. What do you think>
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