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S377-24 24" Series 377 Channel Balance

I have different size balances that I need to replace. I think I need Series 377 Channel Balances for all but I am not sure of the proper weight code. In the supplied pictures you can see the code of 23 - 1 J would this be a 2310 sash weight? Thanks for your assistance, John

could you please help me identify this channel balance, want to replace them in all my windows, metal part is 24" long, have not measured all the other balances in my house. thank you

The option number represent the strength of the balance. You should choose the option that matches the stamp number on the balances you are replacing. Here are the strengths for the 24" Series 377 stamp options: 2310 will carry a window sash weight range of 5 through 9 pounds 2320 will carr ... (cont.)

No, even if the window and door are both produced from the same manufacturer each have many different models and makes. Unfortunately, you will need to remove the rollers from the door in order to identify the replacement.