Replacement Coil Balances and Tilt Latches
Hello there. I am afraid I can't get a good look at your coil balance. You will need to remove it and the pivot shoe it connects to from the window so we can have a better look. You will also need the stamp codes on the coil springs to determine what spring weight you need; if there are none, or you are uncertain, give us the exact weight of your window sash and we'll figure out what you need.
As far as your tilt latches go, take a look at our 26-243 and 26-244, or our 26-419 and 26-420. These are very similar, but they have different locations of the locking tab on the bottom of the housing. You'll need to remove your old latches from the window to compare. Let me know what you think.
Take a look at the video below on how one of these coil spring system is replaced. Perhaps this can help you with the removal of yours so that way we can see some additional images.