Apco Tube Balances

A handy person from Columbus Ohio says:
May 27, 2018
Windows say apco. Sash is around 18lb. Metal tube is around 34?, outer plastic is 35?. Fully extended its 68? from screw hole to pin. Outer plastic tube is 9/16? dia
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Tom from SWISCO responded:
May 30, 2018

If you have a tilt window with an 18 lb sash and the balance tube is 9/16" x 35" (the plastic tube only) then you can use S600-35 with a red tip. Let me know if you have any other questions!
35" Series 600 Spiral Tilt Window Balance
35" Series 600 Spiral Tilt Window Balance
S600-35
$10.32
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