Milgard Channel Balance 26 5 AX CMC 11

A home owner from Westminster, Colorado says:

I have a Milgard double hung vinyl window. The channel balance popped out after I opened the window (it's been a little tough to lift lately anyway). The spring on the channel balance is stuck under full tension - I'm assuming this is the faulty part. The marking on the part is: 26 5 AX CMC 11. It's a 1/2" balance. I'm not sure how heavy the window is.

Can you please recommend a replacement channel balance?

Thank you,
User submitted image of their window hardware.
Profile picture of Paul
Paul from SWISCO responded:
Hey, Joe. Milgard often uses our Series 385 channel balance. In your case, it'd be the S385-27. I highly recommend looking over our pictures and dimensions to confirm that this is the proper match.
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