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
4.9/5
1190 reviews
yo vendo
May 21, 2026
Excellent service from start to finish. The team was professional, punctual, and completed the air conditioning installation quickly and efficiently. They took the time to explain everything clearly, kept the work area clean, and made sure the system was working perfectly before leaving. Very friendly and easy to deal with. I’m very satisfied with the overall experience and would definitely recommend them to anyone looking for reliable HVAC service.
Eleanora Keane
Jun 11, 2026
The commercial water fountain in our main storefront lobby stopped draining and started pooling over. The plumber snaked the narrow interior lines, removed a heavy accumulation of mineral scale, and verified everything discharged perfectly.
Peter Pepe
Feb 03, 2026
I contacted Superior HVAC Sarnia for a furnace issue during cold weather, and their service was excellent. The technician arrived on time, identified a faulty component, and completed the repair efficiently. Everything was tested properly before they left
Tom Smith
Mar 18, 2026
Mike came to look at my broken well pump, he us getting us a new one tonight! Amazing service and will be calling for future needs
We will deliver Navien 175 000 BTU Boilers to any of these cities
May 21, 2026
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