Missing Milguard balances.

A quick learner from USA says:
February 6, 2019
There are no balances in the windows of my house. I have aluminum Milgard windows from the 1980s. The channel width is 1", the channel depth is 9/16". 2 windows have a visible glass height of 21-1/8" and a visible glass width of 27-3/4". They weigh 10 lbs. One window has a visible glass height of 21-1/8" and a visible glass width of 37-3/8". This window eighs 12 lbs. Can you haelp me find balances for these windows?
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Bob from SWISCO responded:
February 6, 2019

Thanks for posting. It is very difficult to say what channel balances you need without seeing them removed from the window. Could you take pictures of them removed from the window, including any end attachments and stamped numbers? Could you also measure the length of the metal channel, not including the end attachments? We should be able to narrow down what you need from there. Thanks.
A quick learner from USA says:
February 6, 2019
As i stated there are no balancers in the windows. So i am trying to track down new ones to make the windows proper again. Thats also why i sent photos.
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Paul from SWISCO responded:
February 8, 2019

Thanks for these photos. We believe you can use our S385-22 side load balance for your Milgard window. For your 10 lbs. sash, use the stamp option 2120; for the 12 lbs. sash use the option 2130.
22" Series 385 Channel Balance
22" Series 385 Channel Balance
S385-22
$9.59
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