SWISCO - The Replacement Hardware Authority

Looking for a pair of channel balances

A quick learner from Campbell says:
Attached are the pictures. I'm looking for a pair of channel balancers for a window that slides vertically. The sliding part is: 46" wide and 24" tall. Both sections are double paned. The window is about 20 years old.

Stamped on the top of the balancer is 22_4 and in tiny print BJ.

I'm not sure if there is supposed to be a number between the 22 and 4, as there is a space (_).

Customer image of their channel window sash support balance.
Profile picture of Donna
Donna from SWISCO responded:
Looks like a 23" Series 390, check the length of the balance (exclude fittings in this measurement).
The 22 4 may translate to 2240 stamp option. To check, remove the window sash and place it on a scale.

S390-23 with stamp option 2240 will carry a window sash weight range of 19 through 23 pounds.

This information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate.
A quick learner from Campbell says:
Thanks, balance was 23", and sash weight was about 19 lbs!!!
A quick learner from Campbell says:
I received the two replacement balancers and they worked great!!! Thanks for the outstanding customer service!
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