Window Balance Cartriage

A home owner from Melbourne, Floirda says:
I have a Kinco Window that needs the balance Cart. replaced. The window is approx 6-7yr old. It has the markings: 29 3 EX CMC 11. The channel is 9/16 wide x 9/16 deep with hemmed edges and is exactly 30-in long. The top guide is similar to your 19-002 except that it has wings on the back like the 19-005. The bottom guide appears similar to the 15-004 guide. Can you please help me verify the part that I need to order. I am ready to order with the right advise!
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Donna from SWISCO responded:
We would be happy to research this for you if you would like to send us detailed images of your current sash balance system.

If you want to place an order for a 30" balance with stamp option 2930 and 19-005 and 15-004 attached click on this link to view our S385-30
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