Balance identification

A handy person from West Palm Beach, FL says:
September 29, 2016
Fixed window. 1/2 inch by 30 inch. Printed number reads 2920.

Is this S377?
User submitted photos of a window balance.
User submitted a photo of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
September 30, 2016
Hello! This looks like a balance for a Pam Am window. See our S377-18 side load balance to start out with. I would also recommend the 1720 option.
Top Sash Guide Pair, Pan Am
Top Sash Guide Pair, Pan Am
18-042
$1.97
18" Series 377 Channel Balance
18" Series 377 Channel Balance
S377-18
$9.34
How to Repair a Jammed Window
How to Repair a Jammed Window
VIDEO
WATCH >
How to Replace a Top Sash Guide [1080p]
How to Replace a Top Sash Guide [1080p]
VIDEO
WATCH >
How to Replace a Non-Tilt Channel Balance
How to Replace a Non-Tilt Channel Balance
VIDEO
WATCH >
How to Identify Replacement Channel Balances
How to Identify Replacement Channel Balances
VIDEO
WATCH >
How to replace a non-tilt channel balance
How to replace a non-tilt channel balance
GUIDE
READ >
Choosing a Non-tilt Channel Balance: What Will We Need?
Choosing a Non-tilt Channel Balance: What Will We Need?
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.