series 600 spiral balances

Quick Learner from florida
What length balance would be needed for a double hung window that has a 25" vertical travel?

4 Replies
Paul
Paul from SWISCO
SWISCO
Expert
That's not the best way to determine length. Do you have your old balance handy? If so you can just measure that. If not, tell me the height of the visible glass and we can calculate what length you need based on that.
Quick Learner from FLORIDA
THE HEIGHT OF THE VISIBLE GLASS IS 27 1/2 ".
Paul
Paul from SWISCO
SWISCO
Expert
Great. In that case, go with 27", I think that would be best.
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