Stamped #30-40 1/2" Non-Tilt Channel Balance with Shoes

1/2" Non-Tilt Channel Balance with Shoes Stamped #30-40

This 1/2" non-tilt channel balance with attached shoes is a replacement part commonly used in non-tilt single or double-hung window sash systems. The channel balance helps counterbalance the weight of the sash, allowing for smooth operation when raising or lowering the window. This is one of the most popular types for non-tilt windows requiring balances marked with #30-40.

The channel balance width measures 9/16" (14.3mm) and the depth is 5/8" (15.9mm). When determining the correct replacement, measure only the metal portion of your existing balance—do not include the plastic or nylon end attachments. The part number stamped on your channel (e.g., 30-40) is essential for matching both the length and the strength/weight rating.

Please refer to the step-by-step article or video tutorial on how to replace channel balances for detailed guidance.

Technical Information

• Width: 9/16" (14.3mm)
• Depth: 5/8" (15.9mm)
• Shoe Type: Attached shoe (verify with your existing part for precise match)
• Compatible Stamped Numbers: 30-40
• Original Manufacturer: Amesbury Truth Hardware

Notes

• Measure only the metal channel length; do not include end attachments.
• The first two digits on the stamp typically reference the glass size, while following numbers or letters indicate the weight code.
• Record any number or letter found on your channel balance to ensure an exact match.
• Priced and sold individually.

Each channel balance is sold individually (one per package). Please check your window to confirm if you require more than one for a complete repair. Always measure your existing hardware carefully to ensure you order the correct replacement part.