Spiral Window Balance

A contractor from New Orleans LA says:
July 6, 2016
I have a house that was built in 1948 I am looking to replace the attached parts on 20 original wood windows they all look the same but the tube is different lengths. The tube is 28 inches long on the attached pictures Can you help me identify?
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
July 8, 2016
This is an old one, but I believe you can use our Series 500 as a replacement option. You will also need a bracket like our 17-012. Let me know what you think!
28" Series 500 Spiral Balance
28" Series 500 Spiral Balance
S500-28
$9.52
Spiral Balance Charging Tool for Non-tilt Windows
Spiral Balance Charging Tool for Non-tilt Windows
75-005
$12.10
Bracket, #32
Bracket, #32
17-012
$1.20
#8 x 1" SS Philips Pan Head Screw
#8 x 1" SS Philips Pan Head Screw
33-017
$0.21
#8 x 3/4" Philips Pan Head SS Screw
#8 x 3/4" Philips Pan Head SS Screw
33-090
$0.27
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
VIDEO
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How to choose the proper spiral balance tip color
How to choose the proper spiral balance tip color
GUIDE
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How to adjust a spiral balance on a non-tilt window
How to adjust a spiral balance on a non-tilt window
GUIDE
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