83 series

Spiral and Block & Tackle Window Balances

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General Information

Ordering Information

  • Measure metal tube length. (Do not include nylon bearing.)
  • Identify color of bearing (e.g. white or red) and select the corresponding part number from the chart here.
  • When ordering black or white tube, add a B (black) or W (white) at the end of the part number.
  • Appropriate tensioning tools are 85-511 and 85-515 as shows on pages 87 and 96 here.