Designed to work with all NTI boilers Package includes aquastat and relief valve
Get the 40 Gallon Storage Tank NTI in just a few steps
Make an order
Contact us to start the process of purchasing a new boiler. Our customer support team will guide you through all the necessary steps.
Arrival of a technician
After confirming your order, our technician will arrive at the appointed time to inspect the property and clarify the necessary details.
Delivery and installation work
After the assessment, we will deliver the boiler to you. Our experts will carry out the installation efficiently and professionally.
Get a warranty
You receive a warranty that covers various components and services, and when it ends, you can count on our post-warranty services.
Why should you buy NTI 40 Gallon Storage Tanks from us?
9.7/10
215 reviews
4.8/5
reviews
Tony Fennell
Nov 24, 2025
Superior HVAC Service, Heating & AirCompleted a service and cleaning of our furnace before winter, they were on time, professional, and answered all my concernsI would highly recommend them , and invoiced me as quoted. 👍
Marian Bagui
Feb 04, 2025
I had my water heater’s gas valve replaced, and the experience was great! Ian was skilled, efficient, and got the job done quickly. Everything is working perfectly now, and the service was both reliable and reasonably priced. I would definitely recommend them for any water heater repairs!
Daniela Lozano
Feb 03, 2025
Brian replaced my water heater parts. Best service I’ve had in years!
Charles Flores
Oct 21, 2025
The technician named Drew from Superior HVAC, Heating and Air Conditioning was on time, courteous, and very knowledgeable. He quickly identified the problem with our water softener and fixed it perfectly.
Madison Fleck
Oct 29, 2025
Evan from Superior HVAC Service ran a combustion analysis on our gas furnace. He adjusted the air-to-fuel ratio and optimized performance. It runs better than it has in years.
Nerwin B. De Leon
Mar 13, 2025
Great furnace repair service. Technician named Alvin byy was on time and very knowledgeable. Problem fixed, heat restored. Very pleased with the Superior HVAC service
daniel llanes
May 28, 2025
Highly recommend Superior HVAC, Heating and Air Conditioning their water heater repair service.
We will deliver a NTI 40 Gallon Indirect Water Heater