WRS Caldwell Series 31 Constant Force Roller-Tilt Balances - 4 to 20.99 lbs

Caldwell Series 31 balances are precision-engineered constant force roller tilt window balances designed to provide smooth, controlled sash movement in tilt-in window systems. They maintain consistent tension throughout operation, making them ideal for residential and light commercial window applications. Constant Force Balances Sold Individually. Pivot Bars, Other Accessories and Hardware Not Included. Caldwell Series 31 Constant Force Balances Weight Ranges from 4 to 20.99 lbs Available with Blue, Black or Red Cams Constant Force Balances Sold Individually. Pivot Bars, Other Accessories and Hardware Not Included See Product Images for Dimensions Key Features Constant Force Technology: Delivers uniform tension for effortless window operation and improved safety Load Range (4-20.99 lbs): Suitable for a wide variety of sash weights Color-Coded Cams: Blue Cam – smallest cam size Black Cam – mid-range cam size Red Cam – largest cam size Durable Construction: High-quality materials ensure long-lasting performance and reduced maintenance Smooth Tilt Functionality: Designed specifically for tilt-in windows for easy cleaning and servicing Compact Roller Design: Optimized for tight channel applications Common Applications Vinyl tilt windows Replacement window systems Residential and multi-family housing Light commercial window installations How Do You Choose the Right Series 31 Balance? To select the correct balance: Determine sash weight (in pounds) Match the weight to the 4-20.99 lb range Choose the appropriate cam color based on manufacturer specs Why Use Constant Force Roller Balances? Constant force balances like the Caldwell Series 31: Provide smoother operation than spiral or block-and-tackle systems Reduce wear on window components Improve user safety and reliability over time Maintain consistent performance across thousands of cycles Product Specifications Series: Caldwell Series 31 Type: Constant Force Roller Tilt Balance Weight Capacity: 4–20.99 lbs Cam Options: Blue, Black, Red Application: Tilt window systems Material: High-strength spring steel and engineered components Frequently Asked Questions (FAQs) Q: What does the cam color mean? A: Cam color indicates the size of the cam the balance is designed to support. Q: Can I replace a different balance type with Series 31? A: Only if the window system is compatible with constant force roller balances and the weight range matches. Q: How long do these balances last? A: They are designed for high cycle life, often lasting years under normal use.