spiral balances different lengths

A quick learner from Boston says:
April 22, 2014
Hi - On my windows, I believe that some of the spiral balances were replaced previously. The upper balance is 27" and the lower one is 29". The windows themselves are each 30". Is this normal/common?
Profile picture of Paul
Paul from SWISCO responded:
April 22, 2014
Yes, normally balances in the upper sash are 2" shorter. It's best to take measurement of all balances that need replacement anyway, just in case.
A quick learner from Paola kansas says:
April 22, 2014
Are the upper balance s installed the same as lower ones?
Profile picture of Paul
Paul from SWISCO responded:
April 23, 2014
Yes, in most cases the installation is the same.
27" Series 600 Spiral Tilt Window Balance
27" Series 600 Spiral Tilt Window Balance
S600-27
$9.15
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
VIDEO
WATCH >
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
VIDEO
WATCH >
How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
GUIDE
READ >
How to adjust a spiral balance on a tilt window
How to adjust a spiral balance on a tilt window
GUIDE
READ >
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 3-4 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at (888) 991-1929 or at help@swisco.com.