Description
The 40″ Spring Window Sash Balance – 14–19 lb Weight Range Replacement Balance is designed to restore smooth and reliable operation for single-hung and double-hung window systems. This spring sash balance helps counterbalance the weight of the window sash, allowing the window to open and close easily while remaining securely positioned when raised.
Sold by: Each
Color: Mill
Sash Weight (Lbs.): 14–19
Channel Length: 40″
Part Number: SWH-3920
Constructed with a durable mill finish, this replacement balance is built for dependable performance in residential and commercial window applications. With a 40-inch channel length and a sash weight capacity of 14–19 lbs, it is designed to provide proper counterbalance for compatible window sashes and maintain consistent window movement.
All listed sash weights are based on two balances supporting one moveable sash. For optimal window performance and alignment, it is recommended that sash balances be replaced in pairs. Mixing old and new balances may create uneven spring tension, which can cause the window to bind in its channels and become difficult to operate.
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