1990 Kinco Balancers needed

A handy person from Jacksonville, FL says:
March 12, 2012
My 48" Kinco's were installed in 1990. The balancers are shot. 29 inch channel, no wings on either end. Stamped 2840E. 25 lb. no tilt sash. Photos attached. What do I need to order?
A customer submitted photo of channel balance attachments.
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Paul from SWISCO responded:
March 14, 2012
Thanks for posting! Please take a look at our S390-29 channel balance with a 2840 stamp option. Do you think this might work for you.
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