Description
The 30″ Spring Window Sash Balance – 36–39 lb Weight Range Replacement Balance is designed to restore smooth and dependable operation for single-hung and double-hung window systems. This spring sash balance counteracts 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.): 36–39
Channel Length: 30″
Number Stamped in Balance: 2960 or 29F
Part Number: SWH-2960
Constructed with a durable mill finish, this replacement balance is built for reliable performance in residential and commercial window applications. With a 30-inch channel length and a sash weight capacity of 36–39 lbs, it is designed to replace balances stamped 2960 or 29F, ensuring compatibility with many standard window balance assemblies.
All listed sash weights are based on two balances supporting one moveable sash. For proper operation and balanced window movement, it is recommended that sash balances be replaced in pairs. Mixing old and new balances can create uneven spring tension, which may cause the window to bind in its channels and become difficult to operate.
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