window balance

Quick Learner from Casa Grande Arizona

Apr 2, 2024 3:19 pm

My old balance is stamped 27 4 CU CMC 4.
It seems that balance isn't made anymore.
I believe I could use a replacement from SWISSCO, choosing 27" length, 9/16" width channel with winged guides and a 1 3/32 shoe depth,
but what weight/strength should I choose?

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Jasmine from SWISCO

Apr 3, 2024 12:43 pm

EXPERT

Thanks for posting! Based on your photos and measurements, the balance you need is the S385-28. Since yours is stamped with a 27 4 you'll likely need the 2740 stamp option. Although, you may want to double check that the weight of your sash falls between 19 to 26lbs.

Please let me know if you have any questions.

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