correct channel balance

A friend from Powell Butte Or. says:
August 24, 2017
We have older vinyl windows and need to replace worn out balances, The balance channel is 20" "metal only" and the width is approx. 9/16". The only markings are-19-9-ct Caldwell. Any info would help us order correct balances. Thanks!
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Tom from SWISCO responded:
August 24, 2017
Welcome to SWISCO. Please send photos of both ends of your balance for us to identify. We unfortunately need a bit more information.
A friend from Powell Butte Or. says:
August 26, 2017
Thanks for the reply Mike, Reference # D94124
Channel balance
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Tom from SWISCO responded:
August 29, 2017

Do both of those attachments have wings, like the photos below? If so, you should measure the bottom shoe (the second photo) and see if it matches up. If it is the same size as the photo (1-3/32"), then you have an S385-20. If it measures 1", you have S380-20. If your attachments don't both have wings like the photo, let me know.

In any case, you must remove your sliding window sash (the glass pane and frame) and weigh it. The weight can be compared to the chart on the balance webpage to determine the "stamp option." Your "19-9" code is an older system and it doesn't match up to ours, so you will end up needing a different stamp.

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
20" Series 385 Channel Balance
20" Series 385 Channel Balance
S385-20
$9.38
20" Series 380 Channel Balance
20" Series 380 Channel Balance
S380-20
$9.38
Winged Channel Balance Shoe, 1-3/32" Depth
Winged Channel Balance Shoe, 1-3/32" Depth
15-004
$0.74
Channel Balance Top, Winged
Channel Balance Top, Winged
19-005
$0.74
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