Window sash springs

A quick learner from USA says:
September 28, 2017
I'm trying to purchase a pair of sash springs for a window in my home. Could you please check my attached photos? I'd like to know what windows I have, too, if you can tell from the info. Thanks so much-
Channel Balance
Profile picture of Tom
Tom from SWISCO responded:
October 4, 2017
You have one of two balances: S385-20 and S380-20. To tell the difference, measure as shown below. The 1" shoe is for a Series 380, and the 1-3/32" shoe belongs to Series 385. It should be a 1920 option, but you should weigh the window sash to check.
Comparison of 15-004 and 15-005
Comparison of 15-004 and 15-005
A quick learner says:
October 4, 2017
Any idea what windows I have?
Profile picture of Tom
Tom from SWISCO responded:
October 5, 2017
Nearly any window brand could use these channel balances, unfortunately.
20" Series 380 Channel Balance
20" Series 380 Channel Balance
S380-20
$9.38
20" Series 385 Channel Balance
20" Series 385 Channel Balance
S385-20
$9.38
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.