West window balance and bottom slider

Question

I need 3 of the balances and 2 of the bottom slidder piece. The balance is 27" long, chanel is square, 5/8" wide x 1/2" deep. Number stamped on the balance is: C26SP B34
your onllne pictures I believe it is 27" series 700 Balance the part number is S770-27 option 27C is that correct?
The bottom slidder that the balnce hooks to in a chanel that is 1-1/4" wide
Online identifier I think it is a T-Lock Balance Shoe Open Channel 15-195B is that correct when you look at the pictures?

Casey · Accepted Answer

Hello,

I agree that your balance resembles the S770-27 channel balance, but your stamp code does not match any of our strength options. If you could confirm the exact weight of the sash that the balances support, that will help us determine the spring tension needed.

Close up view of the Series 770 balance top.

Close up view of the Series 770 balance bottom.

As for the pivot shoe, take a look at the 15-129 shown below. Thank you!

Detail of 15-129