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S350-28 28" Series 350 Channel Balance

Hi, I'm pretty sure this is what I need. The channel section is 28". I believe the stamp is referring to a 2740. Please see attached photos to clarify. Then I can order a pair. Thanks for your time. David I like your website. Well done.

Looking to replace 2 sets of channel balances. 28" long Stampled code 27 500 Caldwell

I'm pretty sure I will need to replace a pair of old channel balances with the series 350, but cannot be sure of the "Sash Weight Range". The only identifying stamp on the channel is "27 4 1L CADWELL". I'm going to guess I'll need the "2740", as my window falls into the 19-26 lbs range. Please ... (cont.)

Hello, I would like to replace the two channel balances in a sash window. I have attached pictures of the existing balance. The metal part is 28" long (excluding the plastic end caps) and is stamped "2730". The window is an aluminum frame, original install in a house built in 1986 in California. ... (cont.)

I need to find a replacement for a Caldwell block and tackle window balance. The balance that I have is 29" long, 5/8" wide and 5/8" tall. It has ' 27 5 HQ CALDWELL ' on the edge. Please let me know if you have these available.

I am trying to determine which weight option to select, as I need to order several replacements. It seems that many of my window balances decided that this past year was the best time to break. My current channel balances appear to match the 28" 350 Series (S350-28) and are stamped with a 2730; ... (cont.)

I have a non tilt spring assembly that has a part number 2730 stamped on it. Can you work with this number or do you need more information? Thanks Steve

It looks identical to the 28" Series 350 Channel Balance Product Code: S350-28 (2730, but with a 15-002 (no wings). Can I use this anyway? Thank you and regards, Grady

How do I estimate sash weight option for my replacement 28" Series 350 Channel Balance /Product Code: S350-28 on my old aluminum windows?

I have a 28" channel balance from an old SunAir window. . It is stamped 2720F. What would I purchase to replace this? Also all of the windows we have of this type don't have take out clips,but the frames have a space for them. Should we order them as well? Thanks!

there is a 2740d marking on 1 end. The balance is 28" long. It appears that S350-28 is the correct slide. 28" I included pictures and wanted to verify that it is compatible. I need 16 slides, but do not want to pay $12 to test 1 slide, when shipping for all 16 is around $23 Thanks. ... (cont.)

2730 J window balance series 350 28" inches, with 19-002 top and a 15-004 bottom

please review my images and let me know if 28" Series 350 Channel Balance S350-28 option: 2730 is the correct replacement i will place my order for 4 balances if they are ones. am sure of length and option but not so end pieces. thank you

Hi, I have a Caldwell Non-Tilt Window Channel Balance with the following marking "27 3 F0 CALDWELL". Looking at the ends on the balance, it seems to match series 350 the best. What replacement part should I order from your website? Thanks Milan

I'm tring to find the repalacement part for a bsi 2730W. It looks like it is one one the foolwing but I can not tell what the difference are. The top and bottom shoes look like one of the following: 350, 380, or a 385 The length of the steel channel is 28". Width 9/16". Depth 5/8" ... (cont.)

Hi, I purchased 4 channel balances from you last week. They fit but the platic pieces on the window broke. It's the pieces that the top of the channel balance pushes up against. Can you tell me what part # those pieces are? It looks like they are attached to the window by screws. My second ... (cont.)

I am trying to identify the correct channel balance to order. My part looks just like part number S350-28, but the part number stamped on my channel balance does not match any of the options shown for that product on the web site. My channel balance is showing a number 27DS...42. Please see the a ... (cont.)

I'm so glad I found your video as I have a number of windows that are becoming increasingly difficult to open and close. A few have had the springs break. Now that I know how based on your site, I want to make sure I purchase the correct parts. I've attached a PDF document that has pictures o ... (cont.)

ITEM:27 4 CALDWELL. I NEED TO REPLACE 7 WINDOWS OR TOTAL OF 14 EACH OF P/N 27 4 CALDWELL. PLEASE LET ME KNOW HOW MUCH IS THE TOTAL COST. NEED TO BUY AS SOON AS POSSIBLE. REGARDS, GENO

Hi there! I'm trying to identify the correct window channel balance cap for a replacement order. I have two different window balances on two different windows that need replacement... one has a 19-005 top cap and the other a 19-002 top cap. I'm essentially stuck trying to figure out whether they hav ... (cont.)