Window sash counterbalance

Home Owner from Milwaukie, OR
Dec 5, 2023 3:54 pm
I have a window which needs to have the counterbalances replaced.

It's a Milgard. The sash tilt's in for screen replacement and cleaning. The length of the square aluminum tubing is 21". The sash weighs 20 lbs. There's a number stamped into the Aluminum: 2040. Does this tell you enough to ID the parts I need? Please let me know if you need any more info.

Thanks,
Jens
Counter weight 1 Counter weight 2 Counter weight 3
3 user uploaded images
1 Replies
Casey
Casey from SWISCO
Dec 6, 2023 11:34 am
SWISCO
EXPERT

Hello,

Your channel balance resembles the S395-21 with a 2040 strength option. Take a look and compare the specifications to your assembly. Thanks for posting! 

Close up view of the S395 balance top.
Close up view of the S395 balance top.

Close up view of the S395 balance shoe.
Close up view of the S395 balance shoe.

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