window balance

A quick learner from Florida says:

October 21, 2020

Hi, I need new balances for pretty much all my windows. They're 20 year old windows, no markings on the balances other than what's stamped into the metal:
29 2 (perpendicular to that) BSI MF

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Bob from SWISCO responded:

October 26, 2020

See either our S380-30 or S385-30. The only difference between these two balances is the depth of the bottom nylon shoe, so compare both with your old hardware to see what matches best. You will need a stamp option of 2920.

30" Series 380 Channel Balance

S380-30

$11.30

30" Series 385 Channel Balance

S385-30

$11.30

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