Sash Balance Stamp 2790

Quick Learner from Dixon CA
May 26, 2021 12:38 pm
Hello I was looking to purchase 2 sash balances for a project we are working on. The balance I found was the 28" Series 351 channel Balance but the options stop at 2770. Do you have a sash balance identical to the 28" Series 351 but has the strength and stamp of a 2790. The width of the channel is 1/2" the length is 28" metal edge to metal edge.
IMG_8331 IMG_8332 IMG_8334 IMG_8335 IMG_8336
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Emily
Emily from SWISCO
Jun 1, 2021 2:30 pm
SWISCO
EXPERT

Hi there!

The stamp on your balance might be outdated. You'll need to remove and weigh your sash to choose the appropriate spring strength option. There's a chart on the Series 351's product page that shows you which option you'll need based on the weight of your sash. 

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