45 inch channel sash balance

Question

I was looking to place an order for (60) channel sash balances.

They have a 4440 marking and the metal channel is 45 inches long.

I'm hoping you can help.
They are for a school building (built 1929) but retrofitted aluminum windows installed late 70's early 80's

-Pat

Casey · Accepted Answer

Hello,

It looks like you have either our S351, with a 15-002 bottom attachment, or S390, with a 15-001 bottom attachment. Please note that this will need to be a custom order due to the 45" length of your balance channel, which we do not carry as a stock option. Take a look at the image below to determine which balance series you'll need. From there, we'll be happy to get a price quote together for you. Thank you!

Comparison of the S351 and S390 balance shoes.