MI 1556 Window - Inverted Coil Balance

Quick Learner from New Jersey
Replacement part needed for this window: https://miwindows.com/how-to-guides/video/know-your-window-MI-1556-double-hung-window

MI S-1556 double hung window. I believe the part is an Inverted Coil Balance. I need the exact replacement part number please.
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Bob
Bob from SWISCO
SWISCO
Expert

Thanks for posting. This might be either the S161-10 10 pound coil balance system or the S210-10 10 pound system. It depends on the thickness of the assembly. See the diagrams below. Compare both with your old hardware and let me know if either matches what you need.

Alternate image for S161-10
Alternate image for S161-10
Alternate image for S210-10
Alternate image for S210-10

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