Caldwell window balance identification

Quick Learner from San Diego California
Hi there.
My balance is 28" in length (metal only). 9/16 wide - (1/2" wide inside the channel with the spring).
Stamp on the balance states "27 4 C5 CALDWELL"

Thank you!
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4 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

It looks like your balance shoe may have had wings that broke off. If so, you could have either the S380-28 or S385-28 channel balance. You’ll need to measure as shown below. The Series 380 has a 1" bottom attachment, and the Series 385 has a 1-3/32" attachment. 

You'll also need 2740 spring strength options for your replacement balances. Thank you and let us know if you have any other questions or concerns.

Comparison of the S378, S380 and S385 balance shoes.
Comparison of the S378, S380 and S385 balance shoes.


Quick Learner from San Diego California

Hi. The balance shoe is 1-3/32 wide. There is not stamp on the balance. The window weights 24.3 pounds on a bathroom scale.

Thank you for your time

Tony 

1 user uploaded image
Casey
Casey from SWISCO
SWISCO
Expert

In that case, you would need the S385-28 channel balances. The 27 4 stamp shown in your original post would correspond to 2740 strength options to support a sash between 19-26 lbs. 

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