WRS Caldwell Series 31 & 32 Constant Force Balance, Roller-Tilt Tandem Assembly - 5 to 9 lbs

Stainless steel spring for tilt windows, compatible with our 31 or 32 Series Constant Force Coil Spring Balances as they can be used interchangeably. 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. PLEASE NOTE: These balances cannot be used by themselves, they are used in conjunction with Single, Tandem, or Triple Case Assemblies. The weight you need should be indicated as a stamp/imprint on your old spring. This coil balance spring can work for either the left or right hand side of the window interchangeably. Coil balances are also known as Constant Force window balances. 

• Compatible with our WRS 31 or 32 Series Constant Force Coil Spring Balances
• CANNOT be used individually, must be in conjunction with Single, Tandem or Triple Case Constant Force Balance Assemblies
• Coils Measure 17/32" Thick (Not Including Housing)
• Weight Ranges from 5 to 9 lbs (Pricing May Vary Based on Weight)
• See Product Images for further Dimensions