WRS Caldwell Series 320 Extended Travel Apex Block & Tackle Window Balance-28″ Length, Stamp 27-11, 36–36.99 lbs, 5/8″ Channel, Non-Tilt Side-Load Replacement Hardware for Residential & Commercial Use
US$13.17
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US$13.17
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by laextra.mx
Free 30-day returns Details
Product details
| Management number | 218575168 | Release Date | 2026/05/03 | List Price | US$13.17 | Model Number | 218575168 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- ENGINEERED FOR ARCHITECTURAL PRECISION: Series 320 Apex Balance is a specialized, extended-travel window balance hardware solution engineered for both replacement and new installations. Designed for side-load, non-tilt windows with a 5/8″ metal channel, this product measures 28″ in length, stamped 27-11, and supports 36–36.99 lb sashes. Arrives pre-assembled for smooth, precise window movement.
- CUSTOMIZABLE & DURABLE FOR ANY PROJECT: Built for versatility, the Series 320 adapts to different window designs and sizes, making it ideal for residential, commercial, and institutional applications seeking replacement window balances . Each balance is precision-tested for reliable lift and long-term durability. Crafted from high-strength galvanized steel for corrosion resistance and years of dependable use.
- SAFE, SMOOTH & ENERGY-EFFICIENT OPERATION: The Apex system’s precision pulley and spring mechanism prevents slamming or sticking, keeping windows steady at any height. Its tight-seal design enhances energy efficiency, reducing drafts and maintaining temperature control in homes, schools, and offices.
- AVAILABLE IN LENGTHS FROM 8″ TO 60″ (2 TO 53 LB RANGE): The WRS Series 320 Apex family offers a full range of non-tilt, side-load block & tackle balances to fit nearly any sash size. Each balance is precision-tested for consistent lift and long-term performance. Sold individually, with top and bottom guides pre-assembled for convenient, secure installation.
- 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.
| Size | 27-11 (36-36.99 lbs) |
|---|---|
| Color | Silver |
| Style | American |
| Item Weight | 10.4 ounces |
| Part Number | 01-32027-11 |
| Manufacturer | WRS |
| Display Style | digital |
| Special Features | Customizability, Safety Features |
| Item model number | 01-32027-11 |
| Batteries Required | No |
| Product Dimensions | 28 x 0.62 x 0.62 inches |
| Item Package Quantity | 1 |
| Maximum Weight Capacity | 36 Pounds |
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