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 Navien 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
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 Navien from us?
9.7/10
215 reviews
4.9/5
816 reviews
Bad Benny
Feb 8, 2025
Superior HVAC is truly superior! George replaced our outdated boiler with a modern, energy-efficient model. The installation was flawless!
Malak Kharnoub
Jan 31, 2025
Excellent HVAC Service!Our furnace stopped working in the middle of a cold snap, so we called Superior HVAC Service. Michael showed up right on time, diagnosed the issue, and fixed it quickly. He also took the time to explain how to maintain the system to avoid future problems. Highly impressed with the level of service—definitely recommend!
Ishdeep
Feb 10, 2025
I noticed my boiler wasn’t heating properly, so I reached out to Superior HVAC Service. Ian came by, quickly diagnosed the issue, and had it fixed in no time. He also made sure my tankless water heater was working efficiently before he left. Great service—super professional and knowledgeable!
Nestor Sales. Florece Jr
Feb 5, 2025
Their technician named Kurtis even diagnosed my thermostat issue within minutes and repaired it efficiently. Very professional and knowledgeable! Awesome Superior HVAC Services!
Khate Castro
Feb 9, 2025
Shoutout to Alec of Superior HVAC for repairing my broken thermostat. I only waited for a day for him to take a look at it and he quickly identified the problem and repaired it.
Pablo Emmanuel Palomino Cortes
Feb 6, 2025
Superior HVAC is the best! Ian replaced our old tankless water heater, and the installation was flawless. The water heats up instantly, and our energy bill is lower already!
Nikz Papery bear
Feb 7, 2025
We had a fantastic experience with Superior HVAC Services. Our tankless water heater needed a repair after 10 years, and Hunter took care of it. He was friendly, efficient, and we’re thrilled with the outcome.
We will deliver Boilers Natural gas Navien to any of these cities
Feb 8, 2025
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