Identifying Andersen Sash Balance

A quick learner from maryland says:
March 30, 2015
Hi,
Could you please help to identify balance?
The left-side balance has 116000-17 on it, the right side has BR18 931 9 89. The starting BR could be 8R or 9R, the first letter is not clear.

The whole window size is about 60(in) x 32(in). My house was build in 1990.

Thanks.
Bing
Profile picture of Paul
Paul from SWISCO responded:
April 1, 2015
Based on your stamp of 931, I recommend our 24-939 Andersen sash balance.
Andersen Sash Balance, 927, 931, 937, 939
Andersen Sash Balance, 927, 931, 937, 939
24-939
$54.20
How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
VIDEO
WATCH >
Andersen's Narroline Sash Balances
Andersen's Narroline Sash Balances
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.