Advanced user interface with Setup Wizard is made easy with backlit panel, click-wheel control and intuitive text.
Low gas pressure operation. Negative pressure regulating gas valveensures maximum performance all the way down to 3.5" of water column on natural gas and 8" of water column on propane gas.
Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions.
1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.
Patented stainless steel fire tube heat exchanger Navien’s innovative heat exchanger design is ASME‑Certified,“H” Stamped, and reduces high-stress point weld failures common on other combi-boilers.
NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.
The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.
1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.
The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection
The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses
2" venting up to 65'; 3” up to 150’ (including schedule 40 PVC)
The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling
Get the Natural gas Boiler in just a few steps
Make an order
Contact us to buy a new boiler. Our team will guide you every step of the way and help you choose the right model.
Arrival of a technician
Once the order is confirmed, our skilled technician will promptly arrive at your property to conduct an inspection and clarify any details.
Delivery and installation work
We'll deliver the boiler to your location, and our experienced experts will handle 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 a Boiler Natural gas from us?
9.7/10
215 reviews
4.8/5
reviews
Jone Okie
Nov 01, 2025
The tankless water heater installation by Superior HVAC Heating and AirConditioning was quick, clean, and professional. The tech guy named Tyler was friendly and explained everything thoroughly. I highly recommend their service and expertise.
Criszel Bagting
Feb 08, 2025
Our tankless water heater's issue was expertly explained by the highly qualified technician, Brian. They are reliable, effective, and punctual. Bravo, Superior HVAC
sabrina sky
Jan 31, 2025
When my furnace started blowing cold air, I reached out to Superior HVAC Service. Ian arrived right on time, explained the issue clearly, and got straight to work. In no time, the heat was back, and he even took a moment to inspect my boiler. Definitely a company I’ll trust for future HVAC needs!
We will deliver a Boiler Natural gas to any of these cities
Nov 01, 2025
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