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Navien Combi Boiler – NCB-190-060H

Navien Combi Boiler – NCB-190-060H

Top highlights

  • Smart Controls: Featuring an LCD display, intuitive quick-dial wheel, and Setup Wizard for easy configuration
  • Advanced Dual Heat Exchangers: Durable stainless steel construction for enhanced efficiency and longevity
  • High Turn Down Ratios: 15:1 for domestic hot water (DHW) and up to 5.5:1 for heating
  • Versatile Gas Compatibility: Field-convertible gas system (natural gas or propane) for installations up to 10,100 ft. elevation
  • Cascading Capability: Connect up to 15 NPE water heaters for increased demand
  • Common Venting Support: Vent up to 7 NPE water heaters with a shared venting system
  • Built-in Zone Control: Powered connections for 3 zone pumps and 3 zone valves
  • Flexible Venting Options: Supports 2" venting up to 65' and 3" venting up to 150'
  • Max Heating Input: 60,000 BTU/h
  • Max Domestic Hot Water Input: 160,000 BTU/h

Price Range: $5500-$7500

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Navien Combi Boiler – NCB-190-060H
The Navien NCB-190/060H is a high-efficiency, combination boiler designed to provide both heating and domestic hot water in one compact unit. With advanced features like a stainless steel heat exchanger, a smart control interface, and a high turndown ratio, it delivers reliable comfort and energy savings. Its versatile gas compatibility, field-convertible system, and extended venting options make it an ideal choice for a range of residential applications, offering efficient performance even at higher elevations.

  • Dimensions: 43.9cm W x 74.4cm H x 32.5cm D (17.3\ W x 29.3\ H x 12.8\ D)

  • Boiler Weight: 39.5 kg (87 lbs)

  • Boiler Weight with Water: 42.2 kg (93 lbs)

  • Installation Location: Indoor wall-hung

  • Venting Type: Forced draft direct vent

  • Ignition: Electronic ignition

  • Gas Supply Pressure: Natural Gas: 3.5\ WC to 10.5\ WC | Propane: 8\ WC to 13.5\ WC

  • Connection Sizes: Gas Inlet

  • Power Supply: 120V AC, 60Hz | Up to 15 amperes

  • Materials: Cold-rolled carbon steel casing, stainless steel heat exchanger

  • Venting: Supports 2\ or 3\ PVC, CPVC, approved polypropylene, or stainless steel venting

  • Safety Devices: Flame Rod, APS, high limit switch, pressure sensor

  • Temperature Setting Range: 30 - 60 °C(86 - 140 °F)

Expert Installation and Guarantees

At HVAC Ontario, our Navien-trained technicians ensure your Navien NCB-190-060H combi boiler is installed to the highest standards. Enjoy benefits like:

  • No Lemons Guarantee: Replace the unit at no cost if the heat exchanger fails twice in 5 years.

  • $250 No Frustration Guarantee: We’ll compensate you $250 if we fail to fix your system within 48 hours.

  • Next Day or $100 Off: Next-day installation guaranteed or $100 discount.

Warranty Options


  • Without Installation: 1-year parts warranty.

  • With Installation by HVAC Ontario: 10-year limited parts and labor warranty with $250 No Frustration Guarantee.

Customer Reviews

Voices of Satisfaction: What Our Customers Think About Us

I had arranged with Abdul to have a tankless water heater installed and my old 50 gal tank removed . Ulmo and Tankeh arrived on schedule and the whole job was done to my complete satisfaction. I would recommend them highly. Thank You HVAC Ontario

Google Review

Kerry Collins

Professional company. I got a competitive quote. Technician came on time, completed the work and cleaned up after. Took about 2 hrs to remove the old tankless and install the new unit. A smooth process and I'm happy with the work. Thank you.

Google Review

Ainee Chung

Spoke with Abdul. Very professional company. Technician Raj and Kamol came on time, completed the work and cleaned up after. Very happy with the work . Hot water is back and running.
Thank you for your professionalism.

Google Review

Kathy Toth

I had a regular hot water tank replaced with a tankless type by HVAC Ontario. Abdullah and Bilal were very helpful, courteous and professional from the start and even with after care. The technicians they sent who installed the furnace were very caring and professional as well. They walked us through how the system work. Awesome!

Google Review

Neil Abam

Abdul and the team did a great job answering all our questions - took the time out to do a site inspection at our request. We never felt pressured about any of the decisions we needed to make. And ultimately our system works great! I definitely would recommend them to anyone. You wont regret it.

Google Review

Brittany Bourassa

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