Constant Force Balance System, Single Coil - Choose Weight
Certainteed Coil Spring - Constant Force Balance System.
This design offers an easier opening and closing of double hung vinyl windows.
Each 3/4 inch wide coil spring has a number embossed on the side that determines the strength of the balance coil.
They may have one or more coils and the coils may have different numbers on each coil if used in doubles or triples.
Please check all dimensions
Choose coil weight from the list below (number stamped on single coil spring):
Priced and sold each. - Includes Pivot Lock Shoe, Balance Spring Cover, Balance Drum and Coil
Best if replaced in pairs (both sides)
This design offers an easier opening and closing of double hung vinyl windows.
Each 3/4 inch wide coil spring has a number embossed on the side that determines the strength of the balance coil.
They may have one or more coils and the coils may have different numbers on each coil if used in doubles or triples.
Please check all dimensions
Choose coil weight from the list below (number stamped on single coil spring):
Priced and sold each. - Includes Pivot Lock Shoe, Balance Spring Cover, Balance Drum and Coil
Best if replaced in pairs (both sides)