Balancer for Milguard single hung window

Home Owner from Washington state
Jun 11, 2021 8:30 pm
27" balancer stamped 26 4 JO Caldwell. 5/8" wide. With ends. This is a 25 year old Milguard single hung window.
5 user uploaded images
2 Replies

Bob from SWISCO
Jun 15, 2021 11:02 am


This appears to be either an S380-27 or S385-27. The only difference between these two balances is the depth of the bottom nylon shoe, or the 'heel-to-toe' measurement, so compare both with your old hardware to see what matches best. For a new stamp option choose 2640.

Comparison of the S378, S380 and S385 balance shoes.
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