WRS Amesbury Series 450 Block & Tackle Balances - Tilt Windows
5/8" Channel Block & Tackle Window Balance
The Series 450 is a standard block & tackle balance designed for tilt windows in residential and commercial applications.
These balances feature a 5/8" channel depth and are available in lengths from 13" to 54" with weight capacities ranging from 3 to 40 lbs. Accurate measurements are important for proper balance performance.
If your existing balance does not measure an exact length or you believe you may have an extended travel balance, review our Extended Travel Balance Identification guide and contact us before ordering.
- Series 450 block & tackle window balance
- For tilt windows
- 5/8" channel depth
- Available lengths from 13" to 54"
- Weight capacities from 3 to 40 lbs
- Sold individually
- Clip attachments come pre-assembled and attached
- Balances 20" or longer are subject to an additional Extreme Length shipping fee at checkout
- Balances 15" or longer cannot be shipped to a P.O. Box through USPS
- UPS does not deliver to P.O. Boxes
- Other accessories and hardware are not included
Select Your Balance Length
Choose the length of your existing Series 450 block & tackle balance below to view the corresponding replacement.
Select the length that matches your existing balance to view the corresponding product. Verify your measurements and product specifications before ordering.