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
516 reviews
Valentina Coutiño
Feb 7, 2025
Brian and his team are true professionals. They installed a tankless water heater for us, and the quality of their work was exceptional. Highly recommend!
Аня Кузьмина
Feb 4, 2025
My boiler wasn't heating up properly, so I contacted the excellent ventilation and air conditioning service. Cole arrived quickly, diagnosed the problem, and fixed it as soon as possible. He also quickly inspected my oven to make sure everything was working smoothly. The service was professional, thorough and highly appreciated!
Shesagui
Feb 5, 2025
George fixed my tankless water heater. I wouldn’t choose anyone else but Superior HVAC.
Carlos Hooks
Dec 12, 2023
Highly recommanded...
Citlaly Guadalupe Lopez Balam
Feb 5, 2025
Kevin was amazing! He installed our new water heater quickly and efficiently. He was super nice and left everything spotless. Wouldn’t call anyone else!
Julia Penesis
Jan 9, 2025
George was excellent! Very professional and personable. Explained each step and was extremely thorough. He was tidy and patient. He fixed my furnace issue in a timely manner.
Labrini Smirnis
Jan 9, 2025
Had a great experience with George… he is so friendly and polite. Very professional and very knowledgeable. Thank you George!Definitely recommend… won’t disappoint.
Clara Martin
Feb 7, 2025
Kurtis and his team installed our tankless water heater, and we couldn’t be happier. Professional, clean, and extremely knowledgeable!
We will deliver Navien 175 000 BTU Boilers to any of these cities
Feb 7, 2025
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