The 37 Series is a standard coil spring window balance. This balance is designed for residential window applications. These balances feature a 17/32" coil spring in single, tandem, or triple case applications. These balance weights are evenly divided. For example, if your sash weighs 14lbs, you would need one 7lb balance on each side of your sash.
| Manufacturer | WRS |
| Part Number | 01-37-04 |
| Item Weight | 10.4 ounces |
| Material | Plastic |
| Item Package Quantity | 1 |
| Maximum Weight Capacity | 7 Pounds |
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