Need replacement balancer for Certainteed window

A handy person from Burke VA says:
No additional markings in part. Window is 27 inches tall
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Bob from SWISCO responded:

See our 15-192, which uses Series 170 and Series 171 Coil Balances. The video below explains more. 

SWISCO S170 and S171 Coil Balance Assembly
SWISCO S170 and S171 Coil Balance Assembly
VIDEO
WATCH >
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How to remove window pivot shoes
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