Channel balance replacement

A home owner from Destrehan, LA says:

November 30, 2016

Hi: I have Alenco single hung windows installed 1994. The channel balance on one fell out and the window is difficult to open. I believe I need your replacement Series 351 34". Please confirm and I will order 2 of them to change out. Maybe more as we have 14 windows. If the photos don't open, please advise. The writing on the channel says "33 3 CALDWELL IM. Thanks

User submitted photos of a window balance.

Paul from SWISCO responded:

December 2, 2016

Thanks for posting. I'm not sure if the Series 351 is the right match. You may have the Series 390 instead. The major difference is the depth (heel-to-toe measurement) of the bottom shoe. If yours is 1", then the Series 351 would be a good match. If it's 1-1/8", then our Series 390 would be better.

34" Series 390 Channel Balance

S390-34

$11.73

5/8" Top Sash Guide, Alenco

18-174

$1.96

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