North Star NSC42 Water Softener | 42,055-Grain Capacity | AutoSense Salt-Saving Technology | For Homes With 1-6+ Persons | NSF Certified to Reduce Hard Water Scale (NSC4218)

★★★★★ 4.5 143 reviews

US$548.40
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US$548.40
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Management number 218578426 Release Date 2026/05/03 List Price US$548.40 Model Number 218578426
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North Star NSC42 42, 055-Grain Water Softener — Better water for you and your home starts here. The North Star 42, 055-grain water softener is ideal for families of 6 or more. Along with its high hardness removal and salt-saving technology, it features a low-salt indicator light that will start blinking when you need to add more salt pellets. Autosense Technology for Optimal Regeneration: Autosense Technology helps reduce unnecessary salt use, minimizing the need to purchase replacement water softener salt for your system. This system efficiently regenerates soft water for your home as you need it, not on an everyday basis like older water softeners. Self-Cleaning Sediment Filter: Strip your soft water of leftover sediment with the automatic, fast rinse cycle of the resin bed before soft water regeneration occurs inside the system. Ultra-High Flow Valve: Your water pressure doesn’t need to drop because you’re softening your water. This NSC42 softening system connects to plumbing 1-inch in diameter, which will allow you to experience optimal water pressure from your shower to your kitchen sink. What Does NSF Certified Mean? The National Sanitation Federation (NSF) is a public health organization. They offer independent testing and certifications for products that comply with their outlined standards and procedures designed to ensure products are safe for individuals. The North Star NSC42 meets these rigorous standards. What’s Included? The NSC42 system comes with everything you need for a quick and easy installation. Along with the single tank, your order includes a bypass valve, drain hose, 4 O-rings, 3 installation adaptors, 5 clips, 2 hose clamps, an adaptor elbow and a grommet. Product color may vary from photo color.

  • Superior Hardness Removal: This NSC42 42, 055-grain water softener has an excellent hardness removal rating of 120 grains per gallon and a great iron removal rating of 11 ppm, indicating an effective reduction of scale — the reddish-brown stains on drains and appliances.
  • Reduce Salt Costs: The NSC42 smart water softener uses AutoSense Technology that monitors your water usage and produces soft water as your home needs it, reducing salt and operating costs over the life of the system.
  • Healthier Hair & Skin: This North Star system is perfect for households of 1-6+ and efficiently uses water softener salt pellets to filter calcium, magnesium, and iron from your home’s water.
  • NSF Certified: This whole-home softening system is certified by the National Sanitation Foundation to remove hard water minerals from the water used throughout your entire home.
  • 1-Year Full Parts and Labor : This system comes with a full 1-year on the complete unit, a 3-year on the electronic control board and valve body, and a 10-year on the salt storage tank and mineral tank.
UPC 090259854110
Capacity 42055 Milligrams
Brand Name North Star
Model Name NSC42
Unit Count 1.0 Count
Item Weight 105 Pounds
Part Number NSC4218
Manufacturer EcoWater Systems
Model Number NSC4218
Power Source Manual (Water Pressure)
Material Type Stainless Steel, Plastic, Rubber
Container Type Tank
Installation Type Under Sink
Maximum Flow Rate 1 Gallons Per Minute
Included Components system
Purification Method Sedimentation
Warranty Description 1-Year Full Parts and Labor Warranty: This system comes with a full 1-year warranty on the complete unit, a 3-year warranty on the electronic control board and valve body, and a 10-year warranty on the salt storage tank and mineral tank.
Item Dimensions L x W x H 18"L x 15"W x 27"H
Global Trade Identification Number 00090259854110
Other Special Features of the Product NSF certified
Supported Water TDS Level Maximum PPM 11

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