Need help determining what parts to order

Question

There are no numbers on any of my parts.  I do know that the window was manufactured by Alenco.  The metal part of the channel is 28 inches long and 1/2 inch wide.  I know I need 2 channels (whichever the correct ones are) and I need 2 of whatever "caps" go on the top of the window (I think it's called a top sash cam??).  Please advise.

Bob · Accepted Answer

This looks like either a Series 351 or Series 390 Channel Balance. The only difference between these two balances is the depth of the bottom nylon shoe, or the 'heel-to-toe' measurement, so compare both with your old hardware to see what matches best. You will need to measure the metal channel length, not including those nylon fittings on either end, to determine the length needed. Let me know if you have further questions in regard to choosing the right stamp option, or anything else about these balances.

For the Top Sash Guide, there's many different possibilities, so it's best to remove an undamaged one and show it to us from the front and side. We should be able to narrow things down from there.