Spiral balance

A quick learner from US says:
November 3, 2017
I have a spiral window balance not working properly.
User submitted photos of a window balance.
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Paul from SWISCO responded:
November 8, 2017
Looks like you have a 3/8" thick spiral balance tube with a 15-020 nylon shoe attached. Please compare dimensions to the Series 300 balance, and see which one you need.
A quick learner says:
November 8, 2017
It's 5/8" or 9/16"
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Paul from SWISCO responded:
November 8, 2017
In that case, you might have a 5/8" Series 200 tube balance with a 15-010 nylon shoe, or a Series 303 with an extended spiral and the 15-010 shoe. Please compare and see if either of these is the right balance for you. The plastic color will be different, but check the size.
15" Series 200 Spiral Balance
15" Series 200 Spiral Balance
S200-15
$11.20
Spiral Balance Shoe
Spiral Balance Shoe
15-010
$1.47
15" Keller Spiral Balance Assembly
15" Keller Spiral Balance Assembly
S303-15
$12.25
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