ENGINEERED FOR HEAVY-DUTY NON-TILT WINDOWS: The Amesbury Series 400 delivers superior load capacity and strength for non-tilt, side-load windows. Compatible with vinyl, aluminum, wood, and fiberglass frames, it fits most standard 5/8″ channels. This product measures 27″ in length, stamped 2630 and supports (13-19 lbs) lbs sashes. Designed for replacement and new installations, it ensures smooth, stable operation even in heavier window systems. HEAVY-DUTY PERFORMANCE & PRECISION: Built for demanding residential and commercial applications, the Series 400 features reinforced pulleys and springs for enhanced lifting power and smoother motion. Its premium Amesbury engineering provides greater weight support and long-lasting balance performance than standard models. DURABLE CONSTRUCTION & READY TO INSTALL: Constructed from heavy-gauge galvanized steel, the Series 400 resists rust, corrosion, and bending that cause cheaper balances to fail. Reinforced pulleys and precision springs maintain smooth lift through thousands of open-close cycles, keeping windows operating like new for years. AVAILABLE IN LENGTHS FROM 10″ TO 55″ (3–65 LB RANGE): The Series 400 family offers one of the widest size and weight ranges in its class. Each balance is precision-tested for reliable lift and long-term durability—from light residential sashes to heavy commercial frames. Pre-assembled with non-winged top and bottom guides for quick, secure installation. Sold individually; accessories not included. TRUSTED SINCE 1989 – WRS Window Repair Systems has over 30 years of experience supplying reliable, high-quality hardware. Trusted nationwide by homeowners, contractors, schools, and property managers for dependable repairs and long-lasting performance. ntroducing our 5/8" Channel Block & Tackle Window Balance, the ultimate solution for repairing non-tilt windows! If you're a DIY enthusiast looking to fix your windows yourself, our window balance is exactly what you need.
This product is designed to provide easy window repair for non-tilt windows, ensuring that they stay securely in place and function smoothly. With our 5/8" Channel Block & Tackle Window Balance, you can restore your windows to their former glory and enjoy the benefits of a well-functioning window.
Our window balance is made from high-quality materials and built to last, so you can be confident in your investment. Whether you're repairing one window or multiple windows, our product is a cost-effective solution that will save you time and money.
Get your hands on our 5/8" Channel Block & Tackle Window Balance today and start repairing your windows like a pro. With our product, you'll have the confidence to tackle any window repair project with ease. Remember, a well-maintained window is key to a comfortable and secure home.
This balance is designed for residential or commercial window applications. This balance features a 5/8" channel depth, measures 27" in length and holds a weight capacity range of 13 to 19 lbs.