need help

Quick Learner
No identifying stamps or engravement, I'm estimating the window to be 30lbs. 
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Jasmine
Jasmine from SWISCO
SWISCO
Expert

I've narrowed down your balance to just a few options but there are a few details I'll need to confirm. To start, please confirm the length of the channel, only the metal portion. I'll also need to know the measurement for the depth of the bottom shoe.

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

Regarding the sash weight, I'll need to know the exact weight of the sash to confirm the stamp needed for your assembly. This is to ensure we aren't providing you with a recommendation too strong for the window, which could potentially cause damage to the sash and/or the frame.

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