broken tilt window coil spring

Question

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.

Paul · Accepted Answer

This pivot shoe closely resembles our 15-180. If you agree, then I would recommend our Series 190 coil spring. What do you think>