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
5/5
1274 reviews
John Akritidis (20 Cent John)
Jul 11, 2025
Best service!! 👌
john paul tabud
Feb 07, 2025
Ian came to repair our furnace, and his work was exceptional. He clearly explained the problem, fixed it promptly, and even shared tips for prolonging its lifespan. I highly recommend Superior HVAC Services!
Arts Kyl
Oct 31, 2025
Superior HVAC Heating and AirConditioning fixed my thermostat swiftly and professionally. Friendly tech named Sean, clear explanations, and efficient repair. My heating system is now fully reliable. I highly recommend them for HVAC needs.
Monica Bibit
Jun 12, 2025
Technician named Brian arrived promptly, diagnosed the issue quickly, and had hot water running again in no time. Courteous and efficient—highly recommend for any tankless repairs.Excellent experience with Superior HVAC and Services
Adriana Bolton
Oct 28, 2025
Ryan from Superior HVAC Service replaced our 20-year-old furnace. The install was tidy and done in one day. He explained how to register the warranty and walked us through the new system. Would definitely use Superior HVAC again!
Lady Jemy Castillo
Oct 28, 2025
Air handler maintenance by Superior HVAC Heating and AirConditioning improved my home’s air quality dramatically. Friendly staff and top-notch service from the plumber named Michael. Highly satisfied customer!
Trisha Mae Arahan
Oct 19, 2025
Amazing service on my water heater. Affordable, efficient plumber Michael and same-day fix! Will never call anyone else. Five stars Superior HVAC Heating and Air Conditioning ⭐
Hailey Hanameel Sy
Aug 30, 2025
Excellent stack repipe service. Reliable team and solid results. Efficient work with their tech guy named Michael. Thank you Superior Plumbing and Heating
We will deliver Navien 175 000 BTU Boilers to any of these cities
Jul 11, 2025
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