2830 BSI channel balance

Question

Hi,

I have a broken channel balance I need to replace. It is stamped 2830 BSI. I think this is equivalent to your model 380 Channel Balance? A plastic wing is broken off one side. I've uploaded some photos.

Also, have some other windows with the same end shape that are very stiff and would like to replace as well. They are stamped 1820 BSI and 1330 BSI. Can you tell me what is the equivalent model you have that I can order.

Thanks,
Cindy

Bob · Accepted Answer

Hey Cindy. Those stamps actually just tell us the strength of a balance, not its identity. Its the shape of combination of the nylon fittings that give us that information. It looks like the bottom fitting has/had wings, whereas the top fitting does not. Is that the case? You may want to check other balances just to make sure the one in your photos isn't just especially damaged. If indeed the bottom fitting has wings while the top does not, you need the Series 350 Channel Balance. Assuming the fittings are identical on every set of balances you're looking for, I believe you need the S350-29 with a stamp option of 2830, the S350-19 with a stamp option of 1820, and the S350-14 with 1330 stamp option. Look over all the specifications listed and let me know if these look right to you.