28" Channel Balance

A home owner from Stockton, CA says:
I need to replace two 28" channel balances labeled 2740E (the E is backwards) for a window that weighs 30 lbs. I would like the guides already attached. I've attached photos of the guides to this email and I can send additional photos if necessary. I don't know the manufacturer of the window. It is original to the house built in 1991.
User submitted photo of channel balance.
Profile picture of Paul
Paul from SWISCO responded:
Thank you for posting on the discussion board and submitting your photos.

If you could, please have a look at the Swisco S350-28 Channel Balance.

The stamp option 2750 will carry an approximate window sash weight range of 26 through and including 30 lbs.

The stamp option 2760 will carry an approximate window sash weight of 30 through and including 33 lbs.
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