Tilt windows Replacement spiral balancers 27" yellow (3/8")

A landlord from 02865 says:
September 5, 2016
Tilt windows Replacement spiral balancers 27" with yellow plastic marking @ end (3/8") & pivot locks shoes to fit.

I have a carpenter who will install.
Kindly respond, TU Dave
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Tom from SWISCO responded:
September 6, 2016
Hey, Dave. For a tilt window spiral balance with a 27" long and 3/8" diameter outer tube, I would recommend our S900-27. You may want to weigh your sash on a scale to confirm the proper tip color choice. As for the pivot shoes, I do not know what to recommend. The Series 900 is compatible with many, many different kinds. It depends more on the window than the balance. If you can, please show me a picture of your pivot shoe out of the window. Please also tell me its exact width and thickness.
27" Series 900 Spiral Balance
27" Series 900 Spiral Balance
S900-27
$9.05
How to replace a tilt window spiral balance.
How to replace a tilt window spiral balance.
VIDEO
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How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
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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 tilt window
How to adjust a spiral balance on a tilt window
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