Window balance.

A quick learner from Plattsburgh NY (PAFB) says:
April 23, 2024
These are 24" long x 1/2". They are for double hung windows in our reclaimed air force dorms and need to purchase these. There is also a bent metal spring like part in the window frame that when pull out stops these from traveling any further up so the window can be removed.
Thank you
Thumbnail of the uploaded file named wingless shoe, 24 inch lenght
Thumbnail of the uploaded file named wingless configuration
Thumbnail of the uploaded file named wingless top
Thumbnail of the uploaded file named wingless bottom shoe
Thumbnail of the uploaded file named 23 25
A quick learner from Plattsburgh NY (PAFB) says:
April 23, 2024
We will also need a number of these, is there a bulk price? Thank you
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Emily from SWISCO responded:
April 25, 2024

Hello there! 

This looks to be a match for the S351-24 or S390-24 channel balances. Measure as shown below to see which Series is best for your repair. 

The stamp printed on the metal channel is odd, however. Can you weigh the window sash on a scale and tell us the precise weight? That will allow us to determine the proper stamp option for your replacement balances. 

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
A quick learner from Plattsburgh NY (PAFB) says:
May 3, 2024
Good afternoon, Weight of the window is 25lbs.
Thumbnail of the uploaded file named 1714761274792540180669699416273.jpg
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Emily from SWISCO responded:
May 6, 2024

Thanks! With a sash weight of 25 pounds, you could use the 2350 option for either the Series 351 or Series 390. Two balances with this stamp can carry a load of 23 through 27 pounds.
24" Series 351 Channel Balance
24" Series 351 Channel Balance
S351-24
$10.77
24" Series 390 Channel Balance
24" Series 390 Channel Balance
S390-24
$10.55
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