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S770-36 36" Series 770 Balance

Hello - I need replacement pivot bars and balance bars for both sides of my wood sash (I think it's a trimline brand). The number written on the pivot bar is 1603 or 603 and the number written on the balance bar (I think its a block and tackle) is 36F BSF OF. The balance bar is 36" long and the cor ... (cont.)

We need two BSI 3600 LB balance replacements and one BSI 3000 FL balance replacement for our white vinyl tilt windows approx. 15 years old. They look almost exactly like the ones in your "how to replace" video. Can you help? We can email pictures if you need them.

I need to replace a channel balance in a window. I believe the correct item is Channel Balance is the 36" Series 795 Channel Balance Product Code: S795-36 Does this include everything I will need? I see where customers also purchased the balance shoe do as a suggest purchase. Do I need to add this ... (cont.)

I need 4 of these balances.

Trying to find a replacement. Window is approximately 8 years old. Unknown window manufacture. Looked every where on the window, unable to locate? Tilt window. If I did the measurements correctly. 36" long, 1/2 wide and 1/2 deep.

I need to replace balances in my friends home. The marking on the balance indicates a 3500 BSI There is also an XL after the BSI. I will be looking to replace 16 balances