Window Balances - 36 B BSI & 35 C BSI

A quick learner from Jersey City, NJ says:
July 2, 2011
I have two different types of balances that I need to replace and I am having a tough time identifying them.

What I do know:

Balance A

Width: 9/16"
Depth: 5/8"
Channel Length: 37"
Stamped on end: 36 B B.S.I.
User submitted photo of their 36 B B.S.I. channel balance.


Balance B

Width: 9/16"
Depth: 5/8"
Channel Length: 36"
Stamped on end: 35 C
User submitted photos of their 35 C B,S,I. channel balance.
If you could help me find the exact balance I need to get to repalce these I would appreciate it.

Thanks,
David H.
Profile picture of Donna
Donna from SWISCO responded:
July 5, 2011
The shoe of your "Balance B" is broken but if it is the same as the your "Balance A", they are both Series 390.

37" 36B Choose S390-27 with the 3620 stamp option

36" 35C Choose S390-36 with the 3530 stamp option
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