We recently upgraded our hot water system with the NTI S120 Storage Tank, and the improvement has been excellent. The larger 119-gallon capacity is perfect for our household because we no longer run out of hot water during busy mornings or when multiple appliances are being used.
The stainless steel construction feels very durable, and we appreciate that it works seamlessly with our NTI boiler system. The water temperature stays consistent, and the overall performance has been much better than our previous setup.
A great choice for anyone seeking a reliable hot-water storage solution.
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Jennifer ThompsonOctober 15, 2025
Choosing the NTI S120 Storage Tank was the right decision for our home in Ontario. We needed a solution that could handle higher hot water demand, especially during colder months, and this tank has exceeded our expectations.
The large storage capacity provides a steady supply of hot water, while the well-built stainless steel tank gives us confidence that it will last for many years. It also paired perfectly with our NTI boiler without any issues.
The performance, reliability, and overall quality have been excellent. I would definitely recommend this product to homeowners looking for dependable hot water storage.
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Andrew CollinsJanuary 17, 2025
After years of dealing with inconsistent hot water, installing the NTI S120 Storage Tank was a major improvement for our home. We immediately noticed a more comfortable and consistent experience compared to our previous system.
What impressed me most is the quality of the tank. The stainless steel design, solid construction, and compatibility with NTI heating systems make it feel like something we expect to rely on for many years.
The installation process was smooth, and the system has been running quietly and efficiently since day one. Very satisfied with this purchase.
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Amanda WrightMarch 8, 2024
Can’t be happy with our new water heater. It is so energy efficient that our electric bill has decreased significantly.
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HarperJanuary 17, 2024
This was an exact replacement for the old tank. It was a perfect fit
NTI S50 Storage Tank
Storage Tank NTI S120 Reviews
- Samantha Wilson May 8, 2026
(0 reply) - Jennifer Thompson October 15, 2025
(0 reply) - Andrew Collins January 17, 2025
(0 reply) - Amanda Wright March 8, 2024
(0 reply) - Harper January 17, 2024
(0 reply)
4 of 5 ReviewsWe recently upgraded our hot water system with the NTI S120 Storage Tank, and the improvement has been excellent. The larger 119-gallon capacity is perfect for our household because we no longer run out of hot water during busy mornings or when multiple appliances are being used. The stainless steel construction feels very durable, and we appreciate that it works seamlessly with our NTI boiler system. The water temperature stays consistent, and the overall performance has been much better than our previous setup. A great choice for anyone seeking a reliable hot-water storage solution.
Choosing the NTI S120 Storage Tank was the right decision for our home in Ontario. We needed a solution that could handle higher hot water demand, especially during colder months, and this tank has exceeded our expectations. The large storage capacity provides a steady supply of hot water, while the well-built stainless steel tank gives us confidence that it will last for many years. It also paired perfectly with our NTI boiler without any issues. The performance, reliability, and overall quality have been excellent. I would definitely recommend this product to homeowners looking for dependable hot water storage.
After years of dealing with inconsistent hot water, installing the NTI S120 Storage Tank was a major improvement for our home. We immediately noticed a more comfortable and consistent experience compared to our previous system. What impressed me most is the quality of the tank. The stainless steel design, solid construction, and compatibility with NTI heating systems make it feel like something we expect to rely on for many years. The installation process was smooth, and the system has been running quietly and efficiently since day one. Very satisfied with this purchase.
Can’t be happy with our new water heater. It is so energy efficient that our electric bill has decreased significantly.
This was an exact replacement for the old tank. It was a perfect fit