Casey from SWISCO responded:
August 3, 2022
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Casey from SWISCO responded:
August 4, 2022
The top fitting of your balance appears to match the S371. As for the length, if the metal channel of your original balance measures 28" and has worked well in your window up until now, then you would need the S371-28 channel balance. Now you'll just need to locate the stamp code on your metal channel to choose the corresponding strength option for your replacement balances. You could also weigh your sash and follow the chart under the balance product description if you want to be positive that you have the correct spring strength for your windows. |