Windows slamming shut. Need round balance with hook

Good Morning,

I strongly believe we'll be able to help you identify and replace your window balances.

You mention "channel balances" but then you describe your balance as "round", which leads me to believe you have what is known as a spiral balance. Take a look at our balance page to get started.

Also, take a few photos of your balance (removed from the window). Include pictures of the balance attachments (ends) and any markings you may find. Also, give us the length of the metal portion of the balance only.

If you have a spiral balance, see if you have a certain color tip (at the top of the balance). If you have a channel balance, see if there are any stamps on the balance.

You can remove the window sash from the frame and weight it on a scale (such as a bathroom scale).

By the way, sometimes the color of the tip is white or black.

It appears your replacement balances are the Swisco S303-23 Spiral Balance.

We also recommend you replace the bottom sash clips that are screwed on the bottom side of the sash, 17-018 and 17-019 Sash Clips. These will lock on to the black shoe on the end of the spiral.

Take a look at the 90-031 Window Lock. Make sure to measure the screw hole center to hole center distance on your original and compare it to the 90-031.

I believe that the 90-031 will work, yes.