Spiral balance length

A handy person from Ottowa, CA says:
March 9, 2015
Hi, I will be installing your spiral balances on some new wooden double hung windows(non-tilt) If my sash is 32" in length what length tube would suit best?
Profile picture of Paul
Paul from SWISCO responded:
March 10, 2015
I can't be sure based on the total height of the sash. It is better to go by the height of the visible glass. For reference, I always add 1" to the height of the visible glass for the top sash. For the bottom sash, I add 3", instead.
32" Series 500 Spiral Balance
32" Series 500 Spiral Balance
S500-32
$9.97
Bracket, #32
Bracket, #32
17-012
$1.20
Wire Charging Tool for Non-tilt Windows
Wire Charging Tool for Non-tilt Windows
75-004
$2.55
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 non-tilt window
How to adjust a spiral balance on a non-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.