Hi, I need to replace my coil balance springs ... I'm certain I have an old style certainteed (without the nub) ...
My springs however, have a 10 J stamped on them ... they look like 171 springs, they are bronze colored, not silver ...
I can't tell for sure though ...
i weighed my window and it was 17 lbs ...
4 Replies
Paul from SWISCO
Feb 3, 2014 12:44 pm
Thanks for posting. Don't mind the color, that's not an important factor for this kind of spring. As for the spring, it looks like our Series 170 coil. For a sash weight of 17 pounds, I recommend our S170-409. See if you agree.
Quick Learner
Feb 3, 2014 3:04 pm
Thanks a lot for taking a look ... the S170-409 looks like the best way to go ...
I'll do the experiment !
Quick Learner from san francisco
Feb 12, 2014 2:59 pm
i just put the new springs in ... MISSION ACCOMPLISHED !
the trickiest pary was getting the pieces back in the window frame ...
it had to be pried open but nothing broke !
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