WRS 31 Series Constant Force Balance Single Coil, 1/2" Wide - 9 lbs
WRS 31 Series Constant Force Balance Single Coil, 1/2" Wide - 9 lbs
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WRS 31 Series Constant Force Balance Single Coil, 1/2" Wide - 9 lbs

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WRS 31 Series Constant Force Balance Single Coil, 1/2" Wide - 9 lbsWRS 31 Series Constant Force Balance Single Coil 1 2 Wide 9 lbsWRS Constant Force Balance Single Coil 1 2 Wide 5 lbsWRS Constant Force Balance Single Coil 1 2 Wide 6 lbsWRS Constant Force Balance Single Coil 1 2 Wide 7 lbsWRS Constant Force Balance Single Coil 1 2 Wide 8 lbsWRS Constant Force Balance Single Coil 1 2 Wide 4 lbs
Size:9 lb coil
Actual Color:Metal

Key item features

  • PRECISION SINGLE-COIL DESIGN: This WRS Constant Force Single Coil features a 9 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.
Current price is Now $5.79
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was $12.57
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Columbus, 43215
Arrives between Apr 28 - Apr 30
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Shipping fee $7.30
Sold and shipped by Wholesale Product Supply
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