Confirm Channel Selection

A distributor from Lexingtom, KY says:
The pictures I hope shows a S390-16. The metal piece is 16". My confusion is due to the 1620 stamped on the piece. Is S390-16 the right channel balance? Thanks
User submitted photo of their window balance.
Profile picture of Tom
Tom from SWISCO responded:
It certainly looks similar to our Series 390, yes, but the only way to confirm is to compare the measurements of your nylon attachments to the dimensions we show for this hardware. It's hard to eyeball that kind of thing, since those measurements can get pretty specific.
How to Replace a Non-Tilt Channel Balance
How to Replace a Non-Tilt Channel Balance
VIDEO
WATCH >
How to Repair a Jammed Window
How to Repair a Jammed Window
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.