Spiral Balance needed

Handy Person from Appleton, WI
Hello,
I have ten Alcoa "Magna-Frame Series" signal hung tilting windows 29"W X 49" H The lower sash is 14lbs. The spiral balance tub is 25.75" long with a 1/2" OD white vinyl cover. The inside balance tub without the cover is 24.5" long with 7/16" OD Dia. The pivot shoes seem to be ok. I would like to replace all of the spiral balance tubs. Is there an option for replacing the white vinyl tub covers or new balance cover insert to fit my windows 1/2" balance opening.
Thanks!
Dennis
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4 Replies
Tom
Tom from SWISCO
SWISCO
Expert

I'm afraid you can't replace that white tube. You'll need an all new balance. I would also confirm the outer diameter of that tube. It should be more like 9/16". I don't believe any balance in this style was made with a 1/2" diameter.

If so, then I recommend our Series 600. I feel confident this will work as a replacement for your original balance.

Handy Person from Appleton, WI
Hi Tom,
You are right the outer vinyl tub is 9/16". If the new balance is 9/16" will it fit into opening that is only 1/2"?
The old one with the vinyl tub would flex into the opening.
Thanks Dennis
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Paul
Paul from SWISCO
SWISCO
Expert

I understand you concern. Personally speaking, whenever I used our metal tube Series 600 balance to replace the old plastic tubes, I never ran into any issues. I think you'll be okay.

Specifically, you should consider our S600-25 with a blue tip. Our 75-006 charging tool will also be very helpful when you go to attach the new spiral to your pivot shoe.

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