LP S751 channel balance

Quick Learner from Jefferson, Ohio
I'd like to purchase an S751 channel balance for tilt-in windows made by LP ( Louisiana Pacific). This balance has a 19" long metal channel. The stamp reads 16B, but your website requires me to choose between 18R, 18HD, 18TG. Why no 16B?
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2 Replies
Bob
Bob from SWISCO
SWISCO
Expert

Is the metal channel in fact 19" long, not including attachments? If so, it would be unusual to be stamped 16B. To know what stamp option to select, weigh your window sash. You can then match that exact weight with one of the weight ranges listed alongside each stamp option on the S751-19 shop page. 

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