Viewing all customer Discussions for:

S377-30 30" Series 377 Channel Balance

Channel balance is 1/2" width by 30"length. Clip on bottom is broken.

Hi, I have several window block and tackle balance units that i need to purchase from you.item # BSI 2940, 30 inches long 5/8 w x 1/2 depth.not sure about which plastic pieces i need for the top and bottom. ( pictures attached).Appreciate your help in this matter.Kind RegardsDave ... (cont.)

Need new balances and stops for top of windows

I am in need of these balances, they resemble the 377 and the 371 but not quite due to the top portion of the balance.

Here are pics of an old broken balance. The only marking is J 29-3 I think the replacement is your S377 30" 2950? Cape Coral FL

I would like to replace all the hardware on my 9 windows. All have the same top and bottom plastic brackets in 29' and 35' metal lengths. The Metal is 9/16' wide. The stamping are P2810, P2820 and P3420 depending on the size of the window. Please let me know if you need additional information.You ... (cont.)

Marking is 2950.

Greetings,I am trying to find this window balance on your website. I included pictures of the window balance needed, and a picture of the top of my window showing the broken plastic catch. The only identifying number is 29-3. When I measured the part, not including the plastic pieces, I measured 30 ... (cont.)

Window 1: marked with 29-2 62"h x 36"w Window 2: marked with 2950 BSI 62"h x 52"w Both were probably installed around 1999 when house was built

There were more photos that we could not add in. Please advise company name of product and where it can be purchased.

I just moved to a new house trying to fix my windows.

What is your part number for this channel balance? It is 5/8" x 9/16" and metal length is 30". Stamp is k-29-3. Photos attached. Thanks, Eric

The metal track is 30" not including the plastic ends. We just purchased the house and believe these are original springs from 2000 when the home was originally built.

One wing is broken on the end. I would like to replace the whole thing. If it's not available, then just the plastic piece on the end that is broken. Thank you :)

I need to replace some balances. I think they are code S377 30, need to verify. They are 1/2 x 30 size. The stamped number is 2950.

I have a house built in 1991. Of the 11 windows, 10 have bad balances or missing altogether by previous owner. I took one of the and the only stamp was "a 29-1". I can't find a match. I will need 10 pairs.

I am repairing a single hung window. I removed the channel balances, and they are not the same. No wonder why it broke. A single spring on a wide window is less than adequate in my mind. I would have preferred two springs, one on each side, I presume they should be weaker springs since there are two ... (cont.)

I need help determining which channel balance replaces this one. The frame says its made by Binnings American. Thanks.

Can someone help me identify a shoe and top attachment for 2 different channel balances' stamped with 25-2 and 29-2. Also, if someone knows, is the rivet size in those channel balances' 3/32?

1/2 inch wide, 30 1/4 long. The only markings are the numbers 2940 and the letters NM or NN BSI.