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S350-21 21" Series 350 Channel Balance

Thank you for your help in indentifying this item. I hope these pictures provide enough information to identify what we need.

Hello, I am looking for a right model to buy for my window balancer with "20 D U.S.B" label on it. The little trolley and the white wire is broken on this one and is not included in the picture. Out of four balancers I need, I have one balancer on the right with a different label on it -" 2090 30" ... (cont.)

Looking for the sash replacement. Has 2040 stamped. Approximate length of channel is 20 - 11/16 inches and width is 9/16. If I am correct, the item number is S350-21? Thank you

Please help me identify the parts I need to repair 3 windows. I believe the style is the same on all the parts needed, however the lengths differ. Also tabs might be broken so hard for me to id. Thanks

Weathersheild non tilt dubble hung from 1979 they are stamped with 2030

Needing help identifying the correct window balance and top "keeper" piece. The balance is 21" ans has embossed BSI 2040. It is 1/2" wide. The top keeper piece that attaches to the window is 1" x 1-1/4" on the top section.

Do these pictures help

I believe this would be a 21" series 377 channel balance. Please validate. Also need the proper take out clip. Please tell which one is required.Thank you Would like to order 12 asap

Hello, I have 2 s350 channel balances for my non-tilting sash windows. However, I noticed that the balance weights are not the same. One is a 2020, and the other is a 2030. Similarly, in larger windows, I see a 2030 and a 2040 on the same sash's balances. When I order a replacement pair for a sas ... (cont.)

I need a replacement for a 21" 5/8" Channel Block & Tackle Window Balance.The stamped Code is 2030 F.I am attaching photos of the 2 nylon endpieces, the hook and the block & tackle/spring set.Do you have a replacement for this and, if so, can you provide a price?I need 4 pieces.Thank you,Nei ... (cont.)

I would like to have balancers identified so I can order the correct balancers.

The metal part of the channel balance is 21 inches long.

Looking for replacement...the metal housing is 21" long

I need to replace two window balances and the only information stamped on the channel is "2020" The actual metal channel measures 21". No window manufacturer information is located anywhere on the window.

I believe I've identified the correct part but don't know what tension option to order. The window is a Milgard. The photo shows the only markings on the old balances that I could find. One has 'AS' and the other 'BS' although they look identical in design.

Looking for a replacement for this balance. Doesn't need to be exact, I can replace the pair and sash guides if needed.

I have (18) of the 2030 and (24) of the 2020. The aluminum bar on both sets are 21 inches long. The window manufacture is Alcoa.

The balance string snapped. The balance is 1/2" x 21" and has the following marking: 20 4 CW CMC 10.

Hi I have older vinyl windows from the previous owner not quite sure what type of windows they are they look like a vinyl. But I need the channel balance replacements. I have two sets one is marked A1410 (16 in length tip to tip) So I guess that would be considered a 15 inch?The other is an A2010 ( ... (cont.)

A customer in Japan asks me to replace a Unique balancer, "20-C-30" dated 20-09-97. The whole length is 560mm and the width is 15mm. I would like to know a correct balancer in Swisco for replacement. I can send you some photos but I cannot attach them here. So, I can send you them with a return mail ... (cont.)