Window Ballast

A contractor from Lakewood, CA says:
stamp says 1540 B.S.I. PJ
For a 20" x 20" window approximately 12lbs
Would like to replace, need to know what to order.
thank you
Profile picture of Tom
Tom from SWISCO responded:

I was able to narrow what you have down to two options. You either have our Series 380 or our Series 385 channel balance. The difference lies in the depth of the shoe.

The Series 385 balance has a 15-004 shoe, which is 1-3/32” deep, while the Series 380 balance has a 15-005 shoe, which is 1” deep.

Please reference the photo below to see exactly how to measure the depth of your shoe to determine which series you have. Then you'd choose S380-16 or S385-16, depending. 1540 is the stamp option you need at the time of ordering.

Comparison of 15-004 and 15-005
Comparison of 15-004 and 15-005
A contractor from Lakewood, CA says:
Here's an accurate measurement
thanks
A contractor from Lakewood, CA says:
Does that look to be Series 385 balance, 15-004 shoe?
Profile picture of Tom
Tom from SWISCO responded:

Yes, it does! S385-16.

A contractor from Lakewood, CA says:
Thank you for the help.
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.