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
Buy new Propane 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
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
After the assessment, we will deliver the boiler to you. Our experts will carry out the installation efficiently and professionally.
Get a warranty
We offer a warranty that covers different parts and services. Even after the warranty expires, you can rely on our post-warranty services.
Why should you buy a Boiler Propane gas Navien from us?
9.7/10
215 reviews
4.9/5
1201 reviews
Patrick Jones
Dec 12, 2023
The technicians were all friendly and immediately addressed the issue with our furnace, which had suddenly stopped working.
gurleen kaur
Feb 10, 2025
My boiler started making strange noises, so I contacted Superior HVAC Service. Farid arrived on time, diagnosed the issue right away, and had it repaired quickly. He even checked my furnace to ensure everything else was working properly. Excellent service from a knowledgeable technician!
Chamodi Dharmarathne
Feb 8, 2025
Superior HVAC Services came to the rescue when our water heater broke. Georgewas knowledgeable, friendly, and explained all our options. The repair was fast, and the heater works great now. Will definitely use them again!
karla gaerlan
Jan 30, 2025
Our heater broke down in freezing weather, and they responded immediately. The technician named Brian was professional, explained the issue clearly, and got it working fast. Couldn’t be happier! You guys are awesome Superior HVAC Services.
myracelle faustino
Jun 10, 2025
Impressed with the water heater’s fast recovery time. Even during high demand, it performs well. Their tech guy name Brian was efficient and knows well what he is doing. Awesome team Superior HVAC, Heating and Air Conditioning
Medy Haque
May 29, 2025
Great service! Tyler was very helpful!
Robert Beaucaire
Jul 27, 2025
Central A/C stopped working Thursday night. Contacted Superior Friday morning and sent a technician within a few hours. They confirmed the worst but were able to install a brand new one the next day. The technicians were professional and courtious. Excellent service! I would recommend them any day!
Rhylyn Castañeto
Jul 16, 2025
I received prompt service from Superior HVAC, Heating and Air Conditioning - my hot water was restored by lunchtime after a morning call. The technician named George was friendly and the price was fair, and I wouldn't hesitate to call them again if needed.
We will deliver Boilers Propane Navien gas to any of these cities
Dec 12, 2023
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