Window balances and pin

A home owner from New Jersey says:
November 15, 2013
Don't know the brand of windows. They were installed approx. 25 years ago. All custom made. I need at least a dozen sets of the attached balances. Also, the pins at the bottom of the window need to be replaced. A pic is also attached.
User submitted photos of a coil balance.
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Tom from SWISCO responded:
November 18, 2013
It looks like you have the 15-087 shoe and 15-086 housing. Compare them to your hardware and let me know how they compare. If they're a match, you should also see our Series 180 coil spring balance.

I'm not sure about the pivot bar. Could I see a few pictures of it removed from the sash? I'd like to see a version that is as undamaged as possible.
A handy person from New Jersey says:
November 18, 2013
How do I know what coil to get?
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Tom from SWISCO responded:
November 19, 2013
There should be a number printed on your own coil spring that you can cross-reference.
A quick learner from New Jersey says:
November 19, 2013
Do the coils differ from one window size to another? The reason I'm asking is that it would be easy on me if I could just order one size for all.
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Paul from SWISCO responded:
November 19, 2013
It depends on what the sashes weigh. If they all weigh the same then I don't see any reason why they wouldn't work.
A quick learner from New Jersey says:
November 19, 2013
Maybe my best bet is to order the lower weight for the smaller windows and medium weight (5 or 6lb for the larger windows.
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Tom from SWISCO responded:
November 20, 2013
I recommend weighing the windows just in case. These balance systems are very delicate. If the springs are too strong or too weak by even a small degree, they will not work correctly.
A quick learner from New Jersey says:
November 20, 2013
If you look at the pic of the pivot bar, there are two screws. Am I right to assume that I need to take both out to remove the pivot bar? If this is the case, it's not easy. The inside one is corroded and I may have to drill it out.
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Tom from SWISCO responded:
November 20, 2013
There is a good chance that second screw holds the pivot bar, yes, but I could be wrong. Unscrew the first one and see if it comes out. If not, then you probably have to remove the second one as well.
Tandem Coil Housing
Tandem Coil Housing
15-086
$1.68
Coil Housing Pivot
Coil Housing Pivot
15-087
$5.97
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