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
Glendy Lin
Dec 12, 2025
Aaron was amazing! He showed up ASAP as we needed to figure out what was wrong with our furnace. He was very professional, knowledgeable and informative when letting us know the issue, highly recommend!
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!
nishchal sarin
Jan 05, 2026
Had a great experience with them, they came on time and did an excellent job on shutoff valve replacement. Service was quick and reliable.
Aida Solanki
Dec 23, 2025
Superior HVAC was very quick and efficient when diagnosing my old furnace this winter. Our gas valve gave out and there were able to replace it and get it running again the same day!
Lady Jemy Castillo
Oct 28, 2025
Air handler maintenance by Superior HVAC Heating and AirConditioning improved my home’s air quality dramatically. Friendly staff and top-notch service from the plumber named Michael. Highly satisfied customer!
We will deliver a NTI 40 Gallon Indirect Water Heater