Alenco window replacement springs

Handy Person from Panama City Beach Fl

Hi. Recently purchased and older house with Alenco non tilt windows. Saw your video, thank you very much cause I would never have figured it out. Did what you said and wired fine. I have a number of broken springs. I need 2 springs for the 33 1/2X 25 1/2 window And 2 springs for the 21 1/2 X 17 1/2 window. Pls advise what springs and the associated cost. Thank you ?.. Stephen 

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Handy Person from Panama City Beach Fl
Additional information. The channel is 23" long and the only marking I can find on the big one is 23 C.
Emily
Emily from SWISCO
SWISCO
Expert

Hi, Stephen!

It looks like you have either our S351, with a 15-002 bottom attachment, or S390, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need to remove and weigh your window sash to choose the appropriate spring strength option. There's a chart on the S351 and S390's product page that shows you which option you'll need based on the weight of your sash.

One last thing, when measuring your balance, make sure to include only the metal channel in your measurement. The stamp on your channel is 23C which means your metal channel should measure 24". 

If you have any further questions just let us know!

Comparison of the S351 and S390 balance shoes.
Comparison of the S351 and S390 balance shoes.
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