Ribbed Channel Balances for Wood Windows | Replacement Block-and-Tackle Window Balances for AmesburyTruth & Vinyl Jambliner Applications

Channel balances are essential hardware components that counterbalance the weight of a window sash, enabling it to open and close smoothly with minimal effort. Ribbed channel balances are a specialized type, featuring a metal channel with a ribbed profile,this design helps them fit securely into vinyl jambliners in wood window frames, commonly found in double-hung and tilt-in wood windows.

What Are Ribbed Channel Balances?

These balances use a block-and-tackle spring and pulley system encased in a narrow, ribbed steel channel. Their primary job is to offset the heavy weight of wood sashes, so users can operate windows safely and easily. Ribbed channel balances are typically identified by their width (often referred to in the trade as '1/2 inch' though actual measurements may be slightly larger) and the stamped part number on the metal channel or end bracket. They are most often used in wood windows with vinyl jambliners, and the correct balance ensures proper operation and sash alignment.

Compatible Applications & Brands

This collection features balances designed for use in wood window frames outfitted with vinyl jambliners. They are commonly seen in both older and newer wood window lines from various manufacturers. All balances offered here are genuine AmesburyTruth parts, ensuring reliable compatibility and performance with wood windows that originally used this style of hardware. These parts are ideal for projects involving repair, restoration, or replacement of failed balances in wood window sashes, preserving both smooth operation and the integrity of the window frame.

Key Features & Specifications

• Designed for wood double-hung windows with vinyl jambliners
• Ribbed metal channel profile for secure fit
• Block-and-tackle spring mechanism for reliable sash support
• Available in multiple stamped numbers and end bracket configurations
• Manufactured by AmesburyTruth for original equipment quality
• Easy replacement for existing ribbed balances,just match the length, stamped number, and end bracket style

Replacement & Installation Tips

Before ordering, identify your existing channel balance by measuring the metal channel length (not including end brackets) and noting the stamped number and bracket type. For most wood windows, balances are replaced in pairs to maintain equal sash support. Installation typically involves removing the sash, disconnecting the old balance from the jambliner and sash, and attaching the new balance using the same mounting points. Always take care when handling springs under tension, and consult your window manufacturer or a professional if you're unsure of the process.

Popular products in this collection include the 1/2 inch balance with #02 end bracket, stamped 12-40 and the 1/2 inch balance with #02 end bracket, stamped 41-51, both suited for a range of wood sash weights and window sizes.

Frequently Asked Questions

• How do I know if I need a ribbed channel balance? If your wood window uses a metal channel with a ribbed profile inside a vinyl jambliner and has stamped part numbers, you likely need this style of balance.
• Can I use these balances in non-wood windows? These balances are designed specifically for wood windows with vinyl jambliners; using them in other window types is not recommended.
• Are these original AmesburyTruth parts? Yes, all balances in this collection are genuine AmesburyTruth products and sourced from an authorized reseller.
• What if my stamped number is different? Always match your current balance's stamped number and bracket style for best performance. If you don't see your exact number, contact us for assistance.