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.
Get the 175 000 BTU Navien Boiler 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
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 Navien 175 000 BTU from us?
9.7/10
215 reviews
4.8/5
reviews
milan torak
Oct 31, 2025
Maintenance on my tankless water heater went perfectly with Superior HVAC Heating and AirConditioning. The technician named Sean was thorough and ensured the system worked optimally. Excellent customer service and professionalism.
Miriam Szewczak
Oct 28, 2025
Mike from Superior HVAC Service completed a boiler tune-up and safety inspection. He cleaned the burners, checked the venting, and tested CO levels. The boiler now runs quietly and efficiently.
Cj Pe Benito
Feb 07, 2025
The only company that was able to solve my complicated tankless water heater problem was Superior HVAC. They are obviously very knowledgeable in their industry, and I greatly appreciate their assistance. Even the mess was cleaned up by their technician, Brian.
Nerwin B. De Leon
Mar 13, 2025
Great furnace repair service. Technician named Alvin byy was on time and very knowledgeable. Problem fixed, heat restored. Very pleased with the Superior HVAC service
Keen Minir
Nov 25, 2025
Thanks to Jack for coming in I feel so comfortable talking to him and explaining my situation he did amazing job highly recommend.
Furanshi Uzumaki
Nov 02, 2025
Our broken water boiler was fixed within hours. Expert repair work! Tech guy named George did not leave any mess. We are very happy customers with Superior HVAC Heating and AirConditioning
Eirich Ydette Mendoza
Oct 20, 2025
Superior HVAC, Heating and Air Conditioning saved the day! Our water heater broke down on a Sunday, and they were here within hours. Fast, friendly tech named Kurtis and affordable. Highly recommend team!
We will deliver Navien 175 000 BTU Boilers to any of these cities
Oct 31, 2025
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