Various balance questions

A quick learner says:
I need to replace the balances in my PMT single hung, non-tilt windows. The existing balance measures 27 inches x 5/8 inch using the method shown on your web site.

The distance from the existing screw hole that fastens the balance to the bottom of the window is 53 1/2 inches. If it isn’t long enough, would it be a problem if I drilled a new hole in the side of the window about an inch lower that the existing hole?

A second issue is that the existing balance has a “U” shaped tip which is riveted onto the ribbon spring. This fits into a slot at the bottom of the sash. I don’t see anything like this on your site, so I was going to order your bracket # 32 and screw it onto the bottom of the sash. Do you see any problems with this approach?

Between myself and my neighbor, we will need to repair 12 windows. We are near the ocean and even though the windows are only 6 years old, the bottom of the ribbon springs have already rusted out. Any suggestions on how to extend the life of the balances?

Thank you.
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Paul from SWISCO responded:
Thanks for posting! I think you might want to look at our S500-27 balance and the 17-012 bracket. Do these look good to you? I'm not sure what that "U" tip is, though. Could I maybe see a few pictures?

Being near the shore, more maintenance will be necessary to keep your balances going. When you receive new ones from us, they will come pre-lubricated, so you won't have any problems at the beginning of the season. After the season, though, you might want to re-grease the balance spirals from then on.
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