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S390-21 21" Series 390 Channel Balance

Comes off the side of the windows . Has a spring inside

I need new 21 inch channel balances that look like this one for a 34 lb window

The stamp is 2020. Pretty sure it's the 390 series. There are no wings.

It's a 1/2 balancer that mesure 21 inch on the metal part only. I don't see a marking that will let me know brand or specifically model. Could you help me ?

I couldn't find an exact match on your website

Hello! I would like to replace parts for 2 of my windows. One is 21" and the other is 27" without the attachments. I am confused which channel replacements would work. Please see attached pictures and advise me. Thank you!

Hi, Don't know how many I will need. I will eventually need 2 types: #1720 18"L X 1/2"W #2020 (I believe it's 20"H) X 1/2" W Question I can't see exctly the type of guides they are. Will Are they critical to have? What would the cost be for each, and guides. Please let me know if you have any q ... (cont.)

21in long, shoe is Probably 1 3/32 (bits are broken, measured the ears of the mating window) Stamped 2040 Believe I need a 385 ? Which sash guides?

May you provide me with an exact replacement for this channel balance the length of the metal bracket is 21 inches long (not including the plastic hardware)

The metal piece alone, excluding the plastic end pieces, is 21" long. It only has "2030U" stamped on it, can you guide me to one?

It measures 21" without fittings As seen in the photo the markings I see are 2030 BS NO

Hello, I am looking for pricing for these window balances- they are 21" long and the number stamped on them is 2015 - qty of 10 needed please. Thank you,

need this window balance it says " 210A " on it it's about 21 1/2" long

Spring is broken as well as the bar that holds the spring at the top. Length measuring only metal = 20 7/8"; width is 1/2". Markings on metal are "20 C" and "B.S.I.". Please advise on which balance I should be ordering. Thank you.

The rectangular lock holder has a number 33stamped on it. 33 are needed. The lock or latch has a #4 stamped on it. 33 each are needed. Take out clips 46 ea are needed. 34 size 21" balancers are needed. 20 size 15" balancers are needed. 116 #8x counter sink stainless steel Philip head screws are nee ... (cont.)

the bottom is broken and I cannot get the other side removed. Only marking I can find on it is 2040, it's for a single hung window and the existing channel is 21" long. Can you identify the replacement I would need from this description and the pictures? Thank you!

I need to replace this windows lift channels

Can help identify and provide price and availability. This is from a dormitory, and will be a regular order. I simply need the information to order them, on a regular basis;. I have provided clear pictures, I have provided stampings. I just need to know if you can supply these. Based on these p ... (cont.)

the 20 4 pair is for 19.8# sash and the 32 4 pair is for a 22.8# sash both currently Caldwell 5/8" x 5/8" chanel and tip 5/8 x 1" Base

Need Counterbalance?clips & top cap 1. I wonder why I couldn't put the window back into the channel even I follow the instruction. It's quite easy to take them out without the channel balance though. 2. Here's the part numbers on the metal rod: 2250- 4 (upstair bedroom 2 & hall) 2605 cg- 3 (upstai ... (cont.)