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Your cart is empty.The 300 Series is a standard block and tackle window balance for sideload / non-tilt window applications. 5/8" Channel Depth. To measure the balance, measure the length of the metal channel only. Balances include standard non-winged top and bottom guides. Includes the balance and pre-installed top and bottom guides only. No other parts are included. If you have questions, contact us before purchasing. If your metal channel does not match exactly, please contact us before you place your order.
chocolatemoose
Reviewed in the United States on July 6, 2024
Wish I'd thought to replace these in my windows sooner. Opening and closing them now is like WHEEEEEEEEEE! Perfect fit, easy install, and work great!
Customer
Reviewed in the United States on July 20, 2024
installation as standard and works fine. boxing of product could be better had a small damage to one counter balance but able to correct easily. installed 4 units working fine.
Julius L. Smith
Reviewed in the United States on May 26, 2024
Fit perfect.
Ernesto
Reviewed in the United States on November 12, 2024
Replacing window channel balance.
Roman
Reviewed in the United States on April 3, 2024
Like it👍
Sean Z.
Reviewed in the United States on August 15, 2023
It is very easy job to replace this parts, took me 5 minutes to get it done. Save me a couple of hundred dollars. They should put a how to do video next to the product, so we don’t have to search on YouTube.
Customer
Reviewed in the United States on March 2, 2023
Shipped on time, good value for the price.
ButterBean6536
Reviewed in the United States on January 26, 2020
I have 30 year old windows. 4 of my windows were no longer functional to get ready for tenants.It was either pay $$$$$ to have all of them replaced or buy these channel balances. I opted to replace the channel balances for 8 windows, was less than $140 (had to buy from 2 different companies due to stocking issues), but well worth it.I would recommend checking your window sash cams to make sure none are broken- these are very important pieces- they keep the channel balance in place when window is moving. However, there is a work around if you do not have new ones - get a longer screw and screw it in half way so it acts as the cam.I lubricated the channel balances as suggested in other comments - highly suggest this. I used a dry oil spray lubricant.Very easy to install. I looked it up on YouTube and after 9 windows, I'm a pro.
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