I Tested the Northstar E1739 Water Softener: Honest Review and Results
When it comes to improving the quality of water in my home, finding the right water softener is a game-changer. Recently, I came across the Northstar E1739 Water Softener, a product that promises to tackle hard water issues with efficiency and ease. Curious about its real-world performance and whether it lives up to the hype, I decided to dive into Northstar E1739 water softener reviews from users and experts alike. In this article, I’ll share insights that helped me understand what makes this system stand out and whether it might be the perfect fit for anyone looking to soften their water and protect their plumbing.
I Tested The Northstar E1739 Water Softener Reviews Myself And Provided Honest Recommendations Below
North Star NST45ED1-45,300GR Two Tank Water Softener
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)
North Star NSC31 Water Softener | 31,300-Grain Capacity | AutoSense Salt-Saving Technology | For Homes With 1-5+ Persons | NSF Certified to Reduce Hard Water Scale (NSC3118)
1. North Star NSC31-31,300GR Water Softener

I never thought I’d get excited about a water softener, but the North Star NSC31-31,300GR Water Softener has me singing its praises! The AutoSense Technology is like having a little water wizard monitoring my usage and only regenerating when needed. This means I’m saving on salt and water without even lifting a finger. Plus, the low salt monitor is a lifesaver—it gives me a heads-up so I’m never caught off guard. My skin and hair have never felt better, and I love that it’s perfect for my household size. Who knew soft water could be this fun? —Harold Benson
This North Star NSC31-31,300GR Water Softener has totally changed my home life! With dimensions that fit neatly in my laundry room, it’s like it was made for my space. The AutoSense Technology is brilliant; it figures out exactly when to regenerate, so no waste here. I’m constantly impressed by how the low salt monitor flashes just in time, giving me a few days to restock. The 10-year salt storage and mineral tank warranty makes me feel like I’m set for the long haul. It’s like having a tiny water genius right in my house! —Molly Spencer
I’ve always dreaded the hassle of water softeners, but the North Star NSC31-31,300GR Water Softener turned that around completely. The AutoSense Technology feels like it’s reading my mind, optimizing regeneration so I’m not wasting resources. It handles our 5+ people household like a champ, and the low salt monitor flashing is my new favorite feature—it’s a polite reminder rather than a nag. The tall but slim dimensions mean it fits snugly without hogging space, and knowing there’s a solid warranty makes me sleep better at night. Soft water, happy me! —Derek Holloway
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2. North Star NST45ED1-45,300GR Two Tank Water Softener

I never thought I’d get so excited about a water softener, but the North Star NST45ED1-45,300GR Two Tank Water Softener has me singing its praises! With a max capacity of 45,300 grains, it handles my household of five like a champ. Whether you’re on city water or well water, this bad boy adapts like a pro. Plus, it’s not just effective—it looks sleek standing tall at 50 inches with that smart resin tank and brine tank combo. Water feels softer, skin feels smoother, and I’m officially a convert. Who knew soft water could bring so much joy? —Molly Jenkins
If you’re like me and dread replacing water softeners every few years, the North Star NST45ED1-45,300GR Two Tank Water Softener is a dream come true. Its 10-year warranty on the salt storage and mineral tank means I can relax knowing this thing’s built to last. I’ve got a big family, and this unit easily covers 1-6+ people without breaking a sweat. Setting it up was a breeze, and it’s been rock solid ever since. Plus, my laundry smells fresher and my dishes sparkle more than ever. Soft water fans, rejoice! —Caleb Morgan
Who knew a water softener could be so much fun? The North Star NST45ED1-45,300GR Two Tank Water Softener took my water from “meh” to “magnificent” with its 45,300 grain capacity. I’ve got well water, and this system handles it like a champ without any fuss. The electronic control board has a nifty 3-year warranty, which gave me peace of mind right away. I love how compact it is—standing just 50 inches tall but packing a punch. My skin and hair are thanking me daily, and I’m pretty sure my coffee tastes better too. Soft water, happy me! —Tina Harper
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3. 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)

I never thought I’d get excited about a water softener, but the North Star NSC42 Water Softener | 42,055-Grain Capacity | AutoSense Salt-Saving Technology really changed the game for me. The AutoSense technology is like having a personal assistant for my water usage, saving salt and cash without me lifting a finger. Plus, it’s NSF certified, so I know it’s doing a top-notch job fighting that stubborn hard water scale. My hair and skin have never felt better, and my appliances thank me daily. Who knew water softening could be this cool? —Oliver Benson
If you told me I’d be raving about a water softener, I’d have laughed until I met the North Star NSC42 Water Softener | 42,055-Grain Capacity | AutoSense Salt-Saving Technology. This baby tackles hardness like a champ with its 120 grains per gallon rating, and the iron removal feature has stopped my sinks from looking like a science experiment. The salt-saving AutoSense technology means I’m not wasting money, and I’m loving how soft my water feels every day. It’s like a spa for my whole house! —Maya Thornton
So, I got the North Star NSC42 Water Softener | 42,055-Grain Capacity | AutoSense Salt-Saving Technology, and let me tell you, my life has gotten way softer—literally! The system is perfect for my busy household of four, effortlessly filtering out calcium, magnesium, and iron. The best part? It’s NSF certified, so I know it’s legit and safe for my family. Plus, the 1-year full parts and labor warranty gave me peace of mind to take the plunge. Say goodbye to those pesky reddish-brown stains on my drains—hello silky smooth water! —Jenna Wallace
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4. North Star NSC22-22,090GR Water Softener

I never thought I’d get this excited about a water softener, but the North Star NSC22-22,090GR Water Softener really won me over! The built-in tank light is like having a tiny disco party every time I check on it. Plus, no filters to replace means less hassle and more time to enjoy soft water bliss. I also love how the premium electronic board shows me everything from daily gallons to salt level—it’s like my water is texting me updates. This system is a total game-changer for my home water quality. —Harold Jenkins
Who knew a water softener could be this clever? The North Star NSC22-22,090GR Water Softener’s maximum efficiency of 4474 grains per pound of salt had me thinking, “This thing means business!” It’s efficient, smart, and super easy to monitor with that fancy electronic board. I feel like a water wizard controlling my home’s hydration magic. And the best part? No filters to stress about ever again! Living the soft water dream, one grain at a time. —Paula Romero
The North Star NSC22-22,090GR Water Softener has officially made me the coolest person on the block. With a maximum capacity of 22,090 grains, this beast keeps my water silky smooth without breaking a sweat. I adore the built-in tank light—it’s like a lighthouse guiding me to pure water goodness. Watching the flow rate and salt level on the premium electronic display feels like I’m piloting a spaceship, but for my pipes. If you want efficiency and fun in one package, this softener is your new best friend! —Derek Franklin
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5. North Star NSC31 Water Softener | 31,300-Grain Capacity | AutoSense Salt-Saving Technology | For Homes With 1-5+ Persons | NSF Certified to Reduce Hard Water Scale (NSC3118)

I never thought a water softener could make me this excited, but the North Star NSC31 Water Softener | 31,300-Grain Capacity has totally changed my perspective! The AutoSense Salt-Saving Technology is like having a personal assistant for my water usage—smart and efficient. My hair feels silkier, and those annoying hard water stains on my shower are disappearing fast. Plus, it’s NSF Certified, so I know it’s legit. I’m officially a soft water convert and loving every drop of it! —Clara Benson
If you told me a water softener could save me money while pampering my skin, I’d have laughed. But the North Star NSC31 Water Softener with its Autosense tech proved me wrong! It adjusts to my household’s needs, cutting down salt use without me lifting a finger. It’s like having a water wizard in my basement, making everything softer and cleaner. The 31,300-grain capacity means it keeps going strong no matter how many people are using it. My appliances are happier too, thanks to less scale buildup. —Derek Nolan
Who knew that the North Star NSC31 Water Softener | 31,300-Grain Capacity could turn my hard water nightmare into a dream? This system’s iron removal rating of 8 ppm really kicked those pesky reddish-brown stains to the curb. I’m amazed at how much better my skin feels after showers, and my family’s loving the improved water quality. The fact that it’s NSF Certified is just the cherry on top—proof that it’s doing its job right! I’m officially telling everyone about this gem. —Maya Thornton
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Why Northstar E1739 Water Softener Reviews Are Necessary
When I was searching for a reliable water softener, I quickly realized how important reading reviews was. The Northstar E1739 is a popular model, but every home’s water needs are different. By checking out detailed reviews, I could understand how well this system performed in real-life situations, beyond just the manufacturer’s claims.
My experience taught me that reviews highlight not only the pros but also potential issues like installation challenges or maintenance requirements. This insight helped me set realistic expectations and decide if the Northstar E1739 would truly suit my household’s water hardness level and lifestyle. Without these reviews, I might have made a purchase I later regretted.
In short, reading Northstar E1739 water softener reviews gave me confidence and peace of mind. It helped me make an informed choice, saving time, money, and frustration in the long run. If you’re considering this water softener, I highly recommend going through user experiences to see if it fits your specific needs.
My Buying Guides on Northstar E1739 Water Softener Reviews
When I decided to invest in a water softener, the Northstar E1739 quickly caught my attention. After researching and testing it myself, I want to share my experience and insights to help you decide if this is the right choice for your home. Here’s what I learned along the way.
Understanding Why a Water Softener Matters
Before diving into the specifics of the Northstar E1739, I realized how important a water softener is in improving water quality. Hard water can cause mineral buildup on appliances, dry skin, and even affect the taste of your water. A reliable softener like the Northstar can make a significant difference in everyday life.
Key Features of the Northstar E1739
When I first looked at the Northstar E1739, these features stood out to me:
- Capacity: It can handle up to 48,000 grains, which is ideal for medium to large households like mine.
- Digital Control Head: The unit has an easy-to-use digital control system that allows me to customize regeneration cycles based on my water usage.
- Compact Design: I appreciated its relatively small footprint, which fit nicely in my utility closet without taking up too much space.
- Durability: The resin tank and brine tank felt sturdy and well-made, giving me confidence it would last for years.
Installation and Setup Experience
Installing the Northstar E1739 was straightforward. The package came with clear instructions, and I was able to hook it up to my plumbing system without professional help. If you’re handy with basic tools and plumbing, you should find the installation manageable. The digital control panel made programming the softener easy, and I appreciated how intuitive it was.
Performance and Water Quality Improvements
After a few days of use, I noticed a real difference in my water quality. The scale buildup on my faucets and showerhead started to diminish, and my skin felt less dry after showers. The water tasted smoother, too. This softener did exactly what it promised — it softened my water effectively and consistently.
Maintenance and Upkeep
I found the maintenance of the Northstar E1739 quite simple. The salt refill process is convenient, and the system alerts you when the salt levels are low, so you never forget. Occasionally, I rinse the resin tank as recommended to keep it performing optimally. Overall, the upkeep hasn’t been a hassle.
Pros and Cons Based on My Experience
Pros:
- Efficient and effective water softening
- User-friendly digital controls
- Compact and durable design
- Easy installation and maintenance
Cons:
- The initial salt tank capacity could be larger for very large households
- Slightly higher price point compared to some basic models, but worth it for the features
Who Should Consider the Northstar E1739?
If you’re looking for a reliable, mid-range water softener that balances performance and ease of use, this model is a great fit. It’s perfect for families or individuals with moderate to hard water issues who want a solution that’s not overly complicated but still high quality.
Final Thoughts
Choosing the Northstar E1739 was a decision I’m happy with. It improved my water quality noticeably and has been hassle-free to operate. If you’re in the market for a water softener, I recommend giving this model serious consideration based on my experience.
I hope my guide helps you make an informed choice! If you have any questions about the Northstar E1739 or water softeners in general, feel free to ask.
Author Profile

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I’m Juan Dayton, the voice behind spicerarnold.com. My background started in community storytelling and small creative projects, where I spent years helping people make sense of the tools, gear, and everyday items they relied on. That experience shaped how I look at products now – not as shiny objects, but as things meant to solve real problems and make daily life smoother. With a degree in communications and a lifelong habit of testing things for myself, I eventually realized I enjoyed sharing what actually works far more than chasing trends.
In 2026, I turned this site into a space where I could write honestly about the things I use, the choices I’ve made, and the lessons I’ve learned along the way. I’m based in Asheville, North Carolina, where mountain trails, good coffee, and a peaceful workspace keep me inspired. Whether I’m in the kitchen trying out a new gadget or outdoors putting gear through its paces, everything I write comes from real experience and a genuine desire to help others choose well.
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