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S380-29 29" Series 380 Channel Balance

The metal part is exactly 29" long, 9/16" wide, and 1/2" deep. Stamp on it os 28C USB. Photos attached.

Bottom clip is 1"" deep. Balance length is 29"

I figured that these are s380 rails 29” long. But the only stamp on them is 28C so not sure on the weight rating to pick. Aaron

Can't find any markings or identifiers to help identify my brand of window. Have several windows that are in disrepair which seems to be from the same issue of worn out black and taco balances. I had already uninstalled the valances before I took the pictures. Just need help identifying parts so tha ... (cont.)

Channel block & tackle window balance spring. Two per window. The channel measurement is 29 however the oart ia stamped 28D. thanks for your help

The original balance in the pictures I provided says 28b on it and is 29" long. A window person replaced some on a simple window and they say 28-2 Fq5-cmc 21. The plastic guide wings are the issue as I cannot seem to find a rod that includes the guide wings that are on my original balance rod. The g ... (cont.)

I'm trying to replace this 29 inch window balance and also need the end caps. I would appreciate any help. You could give me So that I can order this. Thank you

Have several windows not staying up. This appears to be the culprit. The metal piece is 29" long without the end caps. One cap appears to be broken. The channel is 5/8" wide (outside to outside).

Hello. I need help identifying a replacement for channel balances marked: 28 4 DV CMC 2. It is 1/2 inch wide, 29 inches long. The non-tilt window weighs about 24 lbs, and is supported by two channel balances. The shoe depth is 1 inch. I believe the closest match is 385 series with stamp 2840, but wo ... (cont.)

29 inch guides 28B USB

Thanks for checking this out. Maybe you can help us. Look forward to hearing from you.

Need to replace both balance channels in my single pane window sash. They are stamped with a 28D and no other markings. I'm needing help determining the actual replacement for it as the single number/letter is apparently no longer used.

The original channel balances were stamped BSI-2820. We ordered a pair and they fit, but they could not hold up the sash. Sash=37 lbs. Channel length=29 in. We bought 2 different sets from 2 different places and both sets were to weak to hold up the window. Can you help? Thanks!

As you can see the pulley and spring have fallen off! the channel width in 1/2" . I need a new channel complete with ends! SOS! I appreciate your help! Thanks Janis Richter (doing this for my husband Peter)

1/2" x 29" balance. I don't know which balance to order. No markings on the window as to manufacturer. No wheel on bottom plastic part and it looks as if a tab has broken off one side. Ty

These are 1/2 in by 29in with a 28D number

I need a replacement balance for my dual pane, non tilt sash window. I need 1 but would consider replacing 6 if the price is not to bad.

Hello,I am wondering if you could please tell me the correct size of this window balance so I can order and replace. I had a few windows not staying open a few years ago and on the receipt it had 2820 wing ends? However, the only code I can find on the balance I just removed was 28C. I have attached ... (cont.)

I just ordered new channel balances S380-29 and S350-35, but both windows need new cap things to stop them. Can you help me identify this piece and recommend a replacement? Thank you so much for your help

This window spring is from a Milestone Single Hung Series 1000. Only marking I found on spring is 28C. It measures 29 inches in length. If you need more photos let me know, thanks