PGT aluminum single sash window

Question

I dont know if this is normal but the window clips are at different heights in the jams but the balancers are same length and size
Channel is 30 inches not including the end pieces

Casey · Accepted Answer

Hello,

It looks like you have either our S351-30, with a 15-002 bottom attachment, or S390-30, with a 15-001 bottom attachment. Take a look at the image below to determine which balance you'll need. You'll also need a 2910 spring strength option for your replacement balances. Thank you!

Comparison of the S351 and S390 balance shoes.