Spiral Window Balance Help

A quick learner from Corpus Christi Tx says:

Previously Purchased the following for Kinro 4050 double pane windows.

S600-29 : 29" Series 600 Spiral Tilt Window Balance

The S600 Red is too large of a barrel and does not fit.

Which 29" Balance would be ideal?

Thank you,

Steve

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Bob from SWISCO responded:

Hi Steve. Sorry to hear the Series 600 didn't work out for you. What is the diameter of the outer tube? If it's 3/8", and if the outer tube is 29" and this is a tilt window, then you needed the S900-29 instead. Let me know if you have further questions. 

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