Channel Balance

Handy Person from 32806
Only marking is 2230. The house was built in 1978 and that is when this window was probably installed. Our house has 20 window with some remodels as late as 1994. Thought I would try this window first and start tackling all of them in the next month. Thank you
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Casey
Casey from SWISCO
SWISCO
Expert

Hello, thanks for posting! It looks like you could have either our S351-23 or S390-23 with the 2230 stamp option. The difference between the Series 351 and Series 390 lies in the depth of the shoe. Take a look at the picture below for more detail. Once you have determined this dimension you should be able to select the appropriate balance. 

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
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