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 Navienās innovative heat exchanger design is ASMEāCertified,āHā 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 Navienās innovative heat exchanger design is ASMEāCertified,āHā 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'; 3ā up to 150ā (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 Wall Boiler Navien 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 your order is confirmed, we will promptly visit your location and conduct a thorough inspection, ensuring all necessary details are clear.
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 a Boiler Wall Navien from us?
9.7/10
215 reviews
4.9/5
516 reviews
Adrian SƔnchez
Feb 7, 2025
Kevin provided outstanding service! He repaired our furnace and even gave us maintenance tips to keep it running smoothly. Weāre so grateful for his expertise!
Shesagui
Feb 5, 2025
George fixed my tankless water heater. I wouldnāt choose anyone else but Superior HVAC.
Merle Bloomfield
Nov 1, 2023
We hired Superior HVAC Service to install a tankless water heater last weekend. Excellent customer service, great technical support, fast work, and a warranty on the installation. I would recommend this company!
Elizabeth Janik
Jan 10, 2025
Hired for a water heater diagnosis - did an excellent job! George was very responsiveand was able to provide results. All around, great customer service!
Thomas Kaiser
Dec 28, 2023
Facing a furnace issue, I contacted Superior HVAC Service, and Tanner proved to be responsible, responsive, and highly skilled. He arrived promptly, explained the problem and his actions, and provided professional insights. Tanner's professionalism and thorough explanation of charges and future maintenance tips impressed me, making Superior HVAC Service my go-to for HVAC issues.
Ćngeles TC
Feb 8, 2025
Alec was a lifesaver when our water heater suddenly stopped working. He replaced it the same day, and now everything runs perfectly!
Thevuni Nimnadi
Feb 7, 2025
Superior HVAC Services was the perfect choice for our furnace replacement. They were efficient, professional, and took the time to explain the process. We highly recommend their team for any HVAC needs! Thank you
We will deliver a Wall Boiler Navien to any of these cities
Feb 7, 2025
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