Installation/replacement covers all necessary materials for operation
A few steps and a new North Star NSC31 Water Softener in your house
Make an order
To purchase a new water softener, place an order with us. Our customer support team is available to assist you in the process.
Arrival of a technician
After confirming your order, our skilled technician will schedule a visit for your new water softener. They will inspect the area and discuss any necessary details with you.
Delivery and installation work
We’ll deliver the water softener to your doorstep. Our team will install it efficiently, ensuring everything is set up correctly.
Get a warranty
You’ll receive a warranty for your water softener, covering the services. When it expires, we offer a post-warranty service.
Technical Characteristics of North Star NSC31 Water Softener
Model Number
NSC31
Part Number
NSC3123
Household Size
1-5+
Max Capacity (Grains)
31,300
Resin (cu. Ft.)
0.81
Standard Connection Size
1″ NPT
Valve
3/4″
Rated Service Flow Rate (gpm)
7.2
Intermittent Flow Rate (gpm @30 psi)
11.8
Rated Clear Water Iron Removal (ppm)
8
Electronic Demand
Yes
Maximum Efficiency (grains removed per lb of salt)
5,090
Overall Height (A)
48″
Inlet – Outlet Height (B)
41.375″
Dimension (C)
NA
Dimension (D)
15″
Dimension E
3.375″
WARRANTY
1 year on all parts
5 years on electronics
10 years on tanks
Get a Free Equipment Selection Consultation
Our skilled team helps you find the most appropriate and budget-friendly equipment
Installing the North Star NSC31 Water Softener made a huge difference in our home. We have always dealt with hard water issues, especially with mineral buildup around faucets, shower glass, and appliances.
Since adding this system, the water feels noticeably softer, and cleaning has become much easier. We also noticed that our dishes come out cleaner and our laundry feels better compared to before.
The AutoSense technology is a great feature because the system adjusts to our water usage, avoiding unnecessary regeneration cycles. It feels like a smart, efficient solution that is designed for everyday household needs.
(0 reply)
Jonathan PierceJanuary 30, 2026
A great investment for anyone dealing with hard water problems. We installed the North Star NSC31 after noticing constant scale buildup throughout our home, and the results have been excellent.
The water feels much softer, our fixtures stay cleaner, and we spend less time dealing with mineral deposits. The system is efficient, reliable, and does exactly what it is supposed to do.
I also like that it automatically adapts to our household water usage, which helps avoid wasting salt and water. We have been using it through different seasons, and the performance has remained consistent without any issues.
(0 reply)
Rebecca ThompsonSeptember 22, 2025
After moving into our new home, one of the first things we noticed was how hard the water was. We had white mineral deposits on fixtures, dry skin after showers, and our appliances were already showing signs of scale buildup.
We decided to install the North Star NSC31 Water Softener, and the improvement has been impressive. The difference in the water quality was noticeable within the first few days. Showers feel much better, our glass shower doors stay cleaner, and we no longer see as much buildup around sinks and taps.
What we liked about this model was the balance between capacity and efficiency. With a 31,300-grain capacity, it is more than enough for our family, and the system automatically regenerates based on actual water usage. We also appreciated that it is designed for both city and well water applications, which gave us confidence that it was the right choice for our property.
The unit itself is compact, operates quietly, and has been very easy to maintain. The low salt monitoring feature is also convenient because we do not have to constantly check the system. The improvement in water quality has made a significant difference in our daily routine.
(0 reply)
Tyler PhillipsApril 22, 2024
Cleaning has become so much easier since we installed a water softener. No more scrubbing away at stubborn stains or dealing with soap scum in the shower. It’s like the water does half the work for us now!
(0 reply)
Madison BennettMarch 15, 2024
I was skeptical about the benefits of a water softener at first, but after seeing the difference it’s made in our home, I’m a believer. Our clothes come out of the laundry softer, our dishes sparkle, and even our skin feels smoother. Highly recommend!
You must periodically add new media to the tank. The frequency of adding the media depends on the severity of the problem and the water use.
Controls the etching and blue-green stains on fixtures, glasses, etc.
The neutralizing tank filter contains an acid neutralizing media that slowly dissolves as the water passes through it, raising the pH of the water toward neutral (or 7 on the pH scale.)
Superior Water System SWPSE30KGCA
Water Softener North Star NSC31 Reviews
- Steven Marshall March 14, 2026
(0 reply) - Jonathan Pierce January 30, 2026
(0 reply) - Rebecca Thompson September 22, 2025
(0 reply) - Tyler Phillips April 22, 2024
(0 reply) - Madison Bennett March 15, 2024
(0 reply)
4 of 5 ReviewsInstalling the North Star NSC31 Water Softener made a huge difference in our home. We have always dealt with hard water issues, especially with mineral buildup around faucets, shower glass, and appliances. Since adding this system, the water feels noticeably softer, and cleaning has become much easier. We also noticed that our dishes come out cleaner and our laundry feels better compared to before. The AutoSense technology is a great feature because the system adjusts to our water usage, avoiding unnecessary regeneration cycles. It feels like a smart, efficient solution that is designed for everyday household needs.
A great investment for anyone dealing with hard water problems. We installed the North Star NSC31 after noticing constant scale buildup throughout our home, and the results have been excellent. The water feels much softer, our fixtures stay cleaner, and we spend less time dealing with mineral deposits. The system is efficient, reliable, and does exactly what it is supposed to do. I also like that it automatically adapts to our household water usage, which helps avoid wasting salt and water. We have been using it through different seasons, and the performance has remained consistent without any issues.
After moving into our new home, one of the first things we noticed was how hard the water was. We had white mineral deposits on fixtures, dry skin after showers, and our appliances were already showing signs of scale buildup. We decided to install the North Star NSC31 Water Softener, and the improvement has been impressive. The difference in the water quality was noticeable within the first few days. Showers feel much better, our glass shower doors stay cleaner, and we no longer see as much buildup around sinks and taps. What we liked about this model was the balance between capacity and efficiency. With a 31,300-grain capacity, it is more than enough for our family, and the system automatically regenerates based on actual water usage. We also appreciated that it is designed for both city and well water applications, which gave us confidence that it was the right choice for our property. The unit itself is compact, operates quietly, and has been very easy to maintain. The low salt monitoring feature is also convenient because we do not have to constantly check the system. The improvement in water quality has made a significant difference in our daily routine.
Cleaning has become so much easier since we installed a water softener. No more scrubbing away at stubborn stains or dealing with soap scum in the shower. It’s like the water does half the work for us now!
I was skeptical about the benefits of a water softener at first, but after seeing the difference it’s made in our home, I’m a believer. Our clothes come out of the laundry softer, our dishes sparkle, and even our skin feels smoother. Highly recommend!