Tilt out Window balances and bars

A handy person from Escondido Ca 92025 says:
May 9, 2020
I am looking for Tiltout window balances. the only markings is 4+4 the springs have 4's on them. Dims are channel 10/32"Dx1-10/32"W, balance 10/32"Dx1-10/32"Wx4-8/32"L.
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Bob from SWISCO responded:
May 12, 2020

This looks like an older version of our Series 140 Coil Balance System. If the coil balances are both stamped 4, then you likely need the S140-8 8 lb system for each side of the sash. This would equal 16 lbs of overall support. You can always weigh your sash to confirm this is right.
8 lb Series 140 Quick-Tilt, Single
8 lb Series 140 Quick-Tilt, Single
S140-08
$8.28
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