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S385-29 29" Series 385 Channel Balance

Hoping you can indentify this balance spring. It's a 29", 1/2" metal channel, stamped with 28 4 OP BSI. As you suggest, since one is bad, I'll order 2. I've ordered from you before.

Hello, It is Vinyl window from 2005. Here is the information I got as shown in the photoes. Metal Length: 27 Inches Plastic Shoe Width: 1 Inches Stamp Code: 2830 Could you please let me which one to buy from your site? Thanks! Qingyuan

Hello, Please help to find the part. The existing channels are: 29" Long (metal part) 1/2" Wide stamped as 28C U.S.B Thanks!

The size is 29 inches without the plastic brackets the only marking are C 2830

Dear SWISCO Window Part Guru, I’d like to order 6 of these springs. When you have a chance, could you please SEE PICTURES ATTACHED help me identify the exact right parts before I accidentally order something that belongs on a spaceship? ?? if I have 3 windows total need repair...do i order 6 s ... (cont.)

I need everything that might need to be replaced including the two channel balances. They have a part number 28B and are 1/2 inch wide, by 30 inches including the plastic end tips.

Caldwell channel balance 1/2" width, 28-7/8" length w/o fittings, stamped 28-4

I have several broken windows. Very old broken balances. My upstairs windows are all 29 inches metal end to end. It says 28 4 Caldwell HM

I'm trying to figure out which part is the right replacement? The plastic piece on the bottom is 1 1/8" by 1/2".

I have a Milestone Single Hung Series 1000 windows and have several have become broken I need the channels which measure 29 inches and they are stamped 28C. I am in need of the 2 side channels, also the top pieces for the window (both sides) and the top sashes (all pictures have been attached). Tha ... (cont.)

Hi do you have track replacements

The stamp reads 28c and the metal rail is 28” long. I expect the c is a weight rating. I'm in Florida so the plastic parts are becoming brittle and breaking. I unfortunately ordered the wrong ones so returning those. Thanks for your help.

Need the right balance

Please advise which channel balance will replace the original one illustrated in the photos. The width of the balance is 1/2". The widow is a non-tilt style. Thank You

I have multiple windows in my house that I will need to replace window balances. The 2 immediate ones have 28C & 28D installed, respectively. I was looking at all the top & bottom mounting options on your site and didn't see any that seemed to 100% match. I am hoping you can assist me in ... (cont.)

I need 4 replacement sash balances, 29 in long with the plastic ends and hanging hooks

Please help me identify window balance 1/2 inch marking says 28 B, so I can buy correct one to replace some of them. Thank you.

The only marking I see is the printed "28 3 GV CMC 2"

Just looking for a replacement part. This measures out to be 29" but is stamped 28-5

Thanks for the help! I need 4 for now.