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.
Get the Propane gas Boiler 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
We'll deliver the boiler to your location, and our experienced experts will handle the installation efficiently and professionally.
Get a warranty
Our warranty covers various parts and services, and even after its expiration, we provide reliable post-warranty services.
Why should you buy a Propane gas Boiler from us?
9.7/10
215 reviews
4.9/5
1200 reviews
John Akritidis (20 Cent John)
Jul 11, 2025
Best service!! 👌
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!
Инсаф Юсупов
Feb 7, 2025
My furnace stopped heating properly, so I contacted Superior HVAC Service. Farid showed up promptly, identified the issue, and had it fixed in no time. He also checked my boiler to ensure everything was running efficiently. The service was professional, hassle-free, and definitely worth recommending!
Cye Aliling
Feb 4, 2025
Ian promptly inspected and repaired my furnace on the same day, ensuring it was up and running. I’m very happy with the fast, reliable service!
Andrea Briones
Jul 16, 2025
Fast water heater repair! Hot showers restored quickly. Reliable service, polite tech guy named Jemmar highly recommend. Thank you Superior HVAC, Heating and Air Conditioning
Sheila Kennedy
Mar 19, 2025
We had a problem with our furnace this morning. Curtis came out to fix it. He was very knowledgeable and polite. He had it up and working in good time. Thank you Curtis 😊
Joel Straus
Apr 7, 2025
Very quick and professional response to a malfunctioning hot water heater. Would use them again and would recommend them to anyone.
We will deliver Boilers Propane gas to any of these cities
Jul 11, 2025
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