Balance for 36W54H

A quick learner from California says:
September 13, 2023
Balance is marked "24 3 HR Caldwell"; measures 25"; window weight = 17.5 lbs.; single hung.
Please advise which replacement balance to order. I need 2.
Thank you.
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Casey from SWISCO responded:
September 14, 2023

Hello,

Our largest channel balance bottom-fitting would be the 15-003 shown below, but we would need you to confirm the exact depth of your shoe and if it matches the 1-3/16" depth of our shoe. If so, we can supply your balances as a custom order with the 19-002 top and 15-003 bottom fittings. You would also need 2430 strength options to support a sash between 15-19 pounds. Thank you. 

Alternate view of 15-003
Alternate view of 15-003
Channel Balance Shoe, 1-3/16" Depth
Channel Balance Shoe, 1-3/16" Depth
15-003
$0.87
Channel Balance Top Guide
Channel Balance Top Guide
19-002
$0.74
How to Replace a Channel Balance Attachment
How to Replace a Channel Balance Attachment
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Classifying Channel Balance Fittings
Classifying Channel Balance Fittings
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