Milgard channel balancer

A home owner from San Diego, California says:
I need a replacement channel balancer for one of my Milgard windows. The number on the part is 26 4 DU CMC 4. The actual length of the metal portion is 27 inches. I have included three pictures of my piece. Can you identify a replacement for my part?

Steve Sanders
User submitted photos of a window balance.
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Tom from SWISCO responded:
Thanks for posting! Before I can offer an applicable replacement for this channel balance , I just need to know a bit more information about the bottom attachment. Please take a look at our 15-004 and 15-005 channel balance shoes, and note their depths. As you can see, they are 1-3/32" deep and 1" deep, respectively. Which one more closely matches your own bottom attachment?
A home owner from San Diego, California says:
The bottom attachment is closer to an inch than 1-3/32 - so I would say the 15-005 seems correct.
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Tom from SWISCO responded:
Thank you! In that case, please see our S380-27 channel balance. Does that look about right? I would also recommend the 2640 stamp option. This can carry a window sash weight range of 19 through 26 pounds. Does your sash's weight fall within that range?

Please keep in mind that the weight range information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate.
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