Please help identify channel balance

A quick learner from Seattle,wa says:
Hello. The channel balance (metal part only) is 30" long. It is 5/8" wide on the back. It weighs 7.5 oz. Please help me identify and order the correct balance. I will be sending another email for a different window. Thank you.
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A quick learner from Seattle,wa says:
Hello, I have another window that also needs new channel balances. The length is 34" and 1/16. The width is 9/16. The weight is 10 oz. The numbers printed on the metal are 33 C B.S.I.
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A quick learner from Seattle,wa says:
Hello, I also need new window beading. Please see the attached photo. It is 3/8" wide.
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Tom from SWISCO responded:

Hello there, We should be able to help with each of these three parts. I'll go over them one at a time, in order.

Starting with your 30" channel balance, my recommendation is our  S385-30 . This has a 19-005 top and 15-004 (1-3/32" depth) bottom fitting. You should check the size of your own fittings to ensure that they match up to ours, just to be safe. Finally, the old stamp, "29-3," matches our "2930." 

The 34" channel balance looks like our S390-34 , instead. This has a 19-002 top and 15-001 (1-1/8" depth) bottom. As before, you want to check these measurements to confirm. The "33C" stamp is our "3330"

Lastly, the vinyl glazing strip looks like 55-195 . Please review its specs and let me know if you had any questions!

A quick learner from Seattle,wa says:
Hello, thank you for your reply. The sash for the 34" balance window weighs 15.4 lbs. I've attached a picture of the bottom fitting for the balance, I think it may be 1 1/8" deep, am I measuring the correct thing?
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Tom from SWISCO responded:

Yes, that's the correct measurement. And I agree, that's definitely over 1", so the S390-34 should work fine.

With a weight of only 15.4 pounds, though, the 3330 option would be too strong. You should bump that down to the 3320, which carries 13 through 18 pounds. 

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