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S351-33 33" Series 351 Channel Balance

I have a counterbalance with very little info or part number stamped on it. From the pics can you determine a replacement part. Medium size single hung window. Window was made around 2004. Thanks John

The metal channel of my balance measures 33" long but my stamp shows 32 9. That's right 32 9. No zero in how it is shown. so do I order one that is 33 inches long (metal channel length) at 3210, or one that is 32 inches long? And what option number? 3210? or something else?

I am replacing the channel balances on a few windows in my condo and have a few questions. Four of the channel balances have the 3220 stamp but are all broken. Does that mean maybe the window was too heavy? Should I replace it with a channel balance that has a higher sash weight range or is that nor ... (cont.)

I need two pairs of springs. Could tell me if I have chosen the right ones. They seem to be 1/2 inch. Closest I could match are S351-26 option 2530, S351-32 option3130 Thank you,

I'm replacing a non tilt block and tackle window balance from a single hung Milgard window. I'm not sure this is the original balance. The metal is 33 inches long and 1/2 inch wide. It is stamped 3240. Images of the ends are attached. I'm thinking of ordering the 33" Series 351 Channel Balance, S3 ... (cont.)

Just want to be sure that I have the right top/bottom pieces on my 33" long 1/2" channel balance. Looking at your website, I'm guessing that the top is a 19-002, and the bottom shoe is a 15-002. Since it's a 34 pound window, I'll spec it as a 3260. Please confirm. Thanks.

My old window channel balances metal length is 33". I see your S351 -33" fit, I want buy a pair of it. But all options for 33" is 32xx, not 33xx, why? confused. thanks, Shujin

My sliding window weight 60.5 lb. One of the channel balance string broken. the stamp is 32DS61L. Its metal length is 33". I think S351-33 will fit. But I am not sure which option I should pick. 3230 or 3260? Please help, thanks, Shujin