Choosing spiral balance for metal vertical sliding window

Quick Learner from Sunny Isles Beach, FL
It is for the windows of an apartment. The window height is 30 1/2 inches. I think the tip is blue. What is the length of the spiral balance I should choose? Also, how can I lubricate the window because it is difficult to slide it.

Thanks in advance.

Robert
2 Replies
Casey
Casey from SWISCO
SWISCO
Expert
Hi Robert:
Thanks for your question. Is this for a tilt window or non-tilt window? What is the tube's diameter, 7/8" or 5/8"? You also need to let us know the length of the tube not including the tip. Please add a photo if you can. The video posted on the right may be helpful.
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