Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions.
2" venting up to 65' (including schedule 40 PVC).Vent Installation Detector (VID) for added safety.
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.
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 Residential 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 will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
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 Navien Residential Boilers from us?
9.7/10
215 reviews
4.9/5
1201 reviews
Erika Jane Lazara
Jul 24, 2025
Drainage pipe replacement handled professionally. Great diagnostics and execution. Their tech named Matthew was nice and arrived on time. Water now flows as it should. Will hire again Superior Plumbing and Heating.
John S.
Jan 9, 2025
George came from superior hvac in an hour of me calling them to diagnose my water heater.Found issue quick game me solution.I had a new water heater installed same day.Thank you superior hvac and George
Igor Kuritsyn
Feb 7, 2025
Our boiler suddenly stopped producing heat, and with freezing temperatures outside, we needed help fast. Cole from Superior HVAC Service arrived quickly, diagnosed a faulty pressure valve, and replaced it on the spot. He also flushed the system to remove any buildup that could cause future problems. He was efficient, polite, and made sure everything was working perfectly before leaving. Really grateful for the quick response and great service!
Murphy Lester
Jul 21, 2025
Within 2 hours, the technician was there. They were able to accommodate me into their schedule. We have no grievances. We offer committed and reliable services.
Roman May Arjona
Feb 7, 2025
Excellent service! Cole did and amazing job with our boiler, he came to fix it within one hour after we called, he explained the issue and he was so skilled
Brody Doerr
Mar 27, 2025
Every Spring I like to test out my AC system to make sure all headaches are avoided before the busy season this year it would not start… I called superior HVAc out they had Conner at my door with in 2 hrs. He tested my system for about an hour and found a coolant leak after a recharge of my system my Air Conditioner started working again!!! Highly recommend honest guy ask for Conner
We will deliver Residential Navien Boiler to any of these cities
Jul 24, 2025
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