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WRS Constant Force Balance Single Coil, 1/2" Wide - 4 lbs

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WRS Constant Force Balance Single Coil, 1/2" Wide - 4 lbs WRS Constant Force Balance Single Coil 1 2 Wide 4 lbs WRS Constant Force Balance Single Coil 1 2 Wide 5 lbs WRS 31 Series Constant Force Balance Single Coil 1 2 Wide 9 lbs WRS Constant Force Balance Single Coil 1 2 Wide 6 lbs WRS Constant Force Balance Single Coil 1 2 Wide 7 lbs WRS Constant Force Balance Single Coil 1 2 Wide 8 lbs

Size:4 lb coil-Out of stock

Actual Color:Metal-Out of stock

Key item features

PRECISION SINGLE-COIL DESIGN: This WRS Constant Force Single Coil features a 4 lb weight rating and a 1/2″ wide stainless-steel spring, engineered to support tilt-style window sashes with smooth, reliable lift. Works on either the left or right side. Sold individually—order two coils if your window requires a pair. Ideal for tilt-style windows needing smooth, reliable lift. Coil only; balance housing, carriers, and pivot shoes are sold separately.
HOOK-IN DESIGN FOR FAST INSTALLATION: Designed with a universal hook-in attachment that snaps directly into most constant-force balance carriers. Installs quickly without special tools, making it perfect for homeowners, maintenance teams, and professional installers. Provides a secure, accurate fit for fast window repairs and reliable long-term operation.
STAINLESS STEEL CONSTANT-FORCE PERFORMANCE: Made from high-grade stainless steel for durability, corrosion resistance, and consistent tension. The constant-force design ensures smooth, controlled window movement—keeping sashes open when raised and securely shut when closed. An excellent upgrade for worn or weak window coils that cause sticking or slamming.
FITS Series 152 BALANCE SYSTEMS: Fits Series 152 Constant Force Balances and many similar systems used in vinyl, aluminum, and wood tilt windows. Measures 1/2″ thick for proper fitment and is weight-stamped for easy identification. Works as a single coil or as part of a multi-coil (tandem) setup to match higher sash weights. Ideal for repair, replacement, and maintenance projects.
TRUSTED SINCE 1989: WRS Window Repair Systems has over 30 years of experience supplying reliable, high-quality hardware. Trusted nationwide by homeowners, contractors, schools, and property managers for dependable repairs and long-lasting performance.

Specs

Brand
WRS
Features
Precision
Color
Silver
Accessories
Coil Only
Has written warranty
No
Weight
0.1 lb

Current price is $4.37

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About this item

Product details

This is a stainless steel spring for tilt windows. It moderates the operation of your window sash using a specifically calibrated coil spring that allows the window to stay open when raised and remain shut when closed. Individually, this coil balance can hold 4 pounds. This is added together with the other coils to support the whole weight of the sash. Interchangeably, these coils can work for either the left or right side of the window. Includes Coil Only. Housing and Hardware not included.

PRECISION SINGLE-COIL DESIGN: This WRS Constant Force Single Coil features a 4 lb weight rating and a 1/2″ wide stainless-steel spring, engineered to support tilt-style window sashes with smooth, reliable lift. Works on either the left or right side. Sold individually—order two coils if your window requires a pair. Ideal for tilt-style windows needing smooth, reliable lift. Coil only; balance housing, carriers, and pivot shoes are sold separately.
HOOK-IN DESIGN FOR FAST INSTALLATION: Designed with a universal hook-in attachment that snaps directly into most constant-force balance carriers. Installs quickly without special tools, making it perfect for homeowners, maintenance teams, and professional installers. Provides a secure, accurate fit for fast window repairs and reliable long-term operation.
STAINLESS STEEL CONSTANT-FORCE PERFORMANCE: Made from high-grade stainless steel for durability, corrosion resistance, and consistent tension. The constant-force design ensures smooth, controlled window movement—keeping sashes open when raised and securely shut when closed. An excellent upgrade for worn or weak window coils that cause sticking or slamming.
FITS Series 152 BALANCE SYSTEMS: Fits Series 152 Constant Force Balances and many similar systems used in vinyl, aluminum, and wood tilt windows. Measures 1/2″ thick for proper fitment and is weight-stamped for easy identification. Works as a single coil or as part of a multi-coil (tandem) setup to match higher sash weights. Ideal for repair, replacement, and maintenance projects.
TRUSTED SINCE 1989: WRS Window Repair Systems has over 30 years of experience supplying reliable, high-quality hardware. Trusted nationwide by homeowners, contractors, schools, and property managers for dependable repairs and long-lasting performance.

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Specifications

Brand

WRS

Features

Precision

Color

Silver

Accessories

Coil Only

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.