Stamp says 32 4 HP Caldwell

Hello,

We'd be happy to help but we would need to see photos of your balance removed from the window to compare to our inventory. Please make sure to include both end fittings, the pulley clip, as well as the connecting point between the spring and pulley inside the channel. Thank you! 

Thanks for getting back to us. With this combination of attachments, you could have either the S380-33 or S385-33 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 3240 spring strength options for your replacement balances. Thank you and let us know if you have any other questions or concerns.

Comparison of the S380 and S385 balance shoes.