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S190-640 640 S190 Coil Balance Spring

For one window, the number 640 is stamped into the coil near where it attaches to the pivot. The other window has the number 740. The coils are screwed to the pivots so I think I can just replace the coils and re-use everything else. I need both springs for each window

I replaced the glass in this sash and now it won't stay open. I don't know what the difference is, but it now weighs 6 lbs. more. Original weighed 20 lbs.. This now weighs 26.4 lbs.. It appears to be a 8500 series. Single hung 20/30. Is there a stronger spring? Glass dates to 1998. Home built 1999. ... (cont.)

I was told that the window balances are needing replaced in several windows. There is the number 640 stamped on the coil. A few years ago, we found the serial number and name, but it looks blurry in the pictures. Maybe if you know the brand, you can recognize it, even if blurry. Unfortunately, I c ... (cont.)

Only marking is a stamped 9 on coil.

Obviously, the coil spring is broken. I guess I could have included the broken off piece of the spring coil in one of the images. Let me know if you need that.

Replacing the coil balances for a 23 year old bathroom window. The coil is 1/2" wide and is stamped with 64C. From your coil replacement page it looks like S190. Can you tell me which one I need?

Hello. The coil balance in one of my bathroom windows broke today. I'm unsure if you have the parts I need so I've sent a few photos which may help. The balance is 1/2" wide and is stamped with either a 6 or 9. I'm thinking it's probably a 9. I would like to purchase two new coil balances, as w ... (cont.)

Pictured is the part that I pulled out of my window frame. I believe it should be one piece, but was broken. On one side of the metal coil it reads 640 and on the other side it reads 540. I need both left and right for a number of windows. Thank you, Matt

Each coil had the number 5 or 6 on them there were 2 coils in the plastic container but it looks like there was a third coil underneath it.

Good Afternoon, I need to replace some springs from a few windows. The above photos are the parts needed. The one labeled D has a 6 stamped on it. I will need to replace both sides so need two parts. The one labeled A has an 8 stamped on it. I need 4 of these for two windows. Can you let me know ... (cont.)

Both coils for one of our bathroom vinyl windows have broken. The window is double-hung with 1/2 screen. Sash is approximately 13 lbs; 26"W x 24"H in size and double pane. The coil is .517 inches or 13.13mm wide. Do you have replacement coils or two complete sets for both sides of window? If nec ... (cont.)

Hello. Can you please help me identify the proper replacement coil balance springs for my windows? They measure 1/2 inch wide and are Bronze in color. There are two springs per window, one on each side. The windows weigh approximately 22 pounds and are approximately 38 inches tall by 30 inches wide. ... (cont.)

Hi There,I have 5 pics of same window. The initial problem was that window was heavy to lift up and would not stay open on its own. I replaced the old balances with new balance coil shown on the left in pics. Window was still a little heavy to open but managed to push it up but wouldn't go all the w ... (cont.)

Hello, I found a broken coil balance in one of my MI 3500 windows (circa 2000). There are no markings on the coil balance - any idea what replacement part I should order?

Not sure the make of the windows

Hi Swisco I have 2 problems, broken tilt latch and coil balance. 1- Tilt latch dimension: Length 2 10/16 to 2 11/16 inches, width 11/16 to 12/16 inch, depth 7/16"inch. Not sure what the item # is for RH and LH. 2- Coil balance info: -dimensions for single hung window length-45 ¼ inch, height 29 ¾ ... (cont.)

Looking to replace springs and the slide they mount on.

I am trying to find a replacement Window balance for my window. I am pretty sure the number stamped on it is a 6.

One side of window balance broke and need replacement

Do you have this part?