Counter balance failed on one side - 48X84 non tilt casement

A handy person from San Antonio,TX says:
April 14, 2021
Non Tilt Casement side counterbalance failed. Blew out top plastic cap and came flying out of slot!! Believe bottom anchor hook failed along with other issues, but otherwise window seems fine. Metal channel part of counter bar measures 28" exactly. Have additional pics if necessary but can't add to this post due to your 5 pic limit. The top cover cap also no good but not sure if that important to the full functionality.
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A handy person from San Antonio,TX says:
April 14, 2021
Perhaps these additional photos will make it thru!! Also, the marking on side of metal channel was 27-6.
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A handy person from San Antonio,TX says:
April 14, 2021
thank you!
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Tom from SWISCO responded:
April 19, 2021

Thanks for reaching out to us. Looks like you need a new channel balance and top sash guide. For the balance, see our S395-28 and for the top sash guide, see our 18-174. Look these two products over and let me know if you had any questions. 
5/8" Top Sash Guide, Alenco
5/8" Top Sash Guide, Alenco
18-174
$1.96
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