Pacific Blue Mechanical » Navien NHB-150H Condensing Heating Boiler
The Navien NHB-150H Condensing Heating Boiler is a high-efficiency hydronic heating solution engineered for reliable residential and light commercial space heating applications. Featuring advanced condensing technology, dual stainless steel heat exchangers, and intelligent system controls, this boiler is designed to maximize comfort, efficiency, and long-term durability.
With its high turndown ratio of up to 15:1, the NHB-150H precisely adjusts heating output based on demand, reducing energy waste and improving overall system efficiency. Its compact wall-mounted design and flexible venting options make it an ideal choice for modern heating system upgrades and new installations.
The Navien NHB-150H Condensing Heating Boiler is designed to provide stable and energy-efficient heating while reducing fuel consumption and operating costs. Its advanced condensing system extracts additional heat from exhaust gases, significantly improving heating efficiency compared to conventional boilers.
The dual stainless steel heat exchangers offer enhanced durability and long-term performance, while the built-in zoning control helps simplify installation and improve comfort management throughout the property.
With smart controls, an intuitive LCD interface, and integrated Setup Wizard functionality, the NHB-150H allows for easier system setup, operation, and monitoring.
| Item | NHB-150H |
| Dimensions | 17.3" W x 23.8" H x 12.8" D (43.9cm W x 60.5cm H x 32.5cm D) |
| Boiler Weight | 80 lbs (36.3 kg) |
| Installation Location | Indoor wall-hung |
| Venting Type | Forced draft direct vent |
| Max Vent Length | 2" PVC venting up to 65', 3" venting up to 150' |
| Ignition | Electronic ignition |
| Natural Gas Supply Pressure | 3.5 " WC to 10.5 " WC (0.87 kPa to 2.61 kPa) |
| Propane Gas Supply Pressure | 8 " WC to 13.5 " WC (1.99 kPa to 3.36 kPa) |
| Natural Gas Manifold Pressure | -0.4 " WC (-0.099 kPa) |
| Propane Gas Manifold Pressure | -0.41 " WC (-0.1 kPa) |
| Gas Inlet Connection Size | 3/4" NPT (male) |
| Power Supply | 120V AC, 60Hz |
| Maximum Power Consumption | Less than 10A |
| Casing Material | Cold rolled carbon steel |
| Heat Exchangers | Primary and secondary heat exchangers: stainless steel |
| Vent Exhaust | 2" or 3" PVC, CPVC, approved polypropylene, special gas vent type BH (Class III A/B/C) |
| Vent Intake | 2" or 3" PVC, CPVC, polypropylene, special gas vent type BH (Class III A/B/C) |
| Vent Clearances | 0" to combustibles |
| Safety Devices | Flame rod, APS, gas valve operation detector, ignition operation detector, water temp high limit switch, exhaust temp high limit sensor, Vent Installation Detector (VID) |
Navien reserves the right to change specifications at any time without prior notice.
| Product | Labor | Parts | Heat Exchanger |
| Residential* | 1 Year | 5 Years | See table below |
| Commercial | 1 Year | 3 Years | See table below |
* Applies only to single family, residential locations.
Pacific Blue Mechanical provides complete supply, installation, repair, and maintenance services for the Navien NHB-150H Condensing Heating Boiler throughout Metro Vancouver. Whether you are upgrading an older boiler system, building a new hydronic heating setup, or looking for reliable long-term service support, our licensed technicians deliver professional solutions tailored to your property’s heating needs.
If requested, we can directly source and supply the NHB-150H for your project and professionally manage the full installation process from start to finish. This includes system sizing, gas line connections, venting configuration, hydronic integration, zoning setup, commissioning, and performance optimization to ensure safe and efficient operation.
Already have a Navien NHB-150H installed? We also provide complete maintenance and repair services, including diagnostics, troubleshooting, descaling, component replacement, and preventative maintenance designed to improve system efficiency, reliability, and equipment lifespan.
If your boiler is experiencing inconsistent heating, pressure issues, unusual noises, ignition failures, leaks, or system error codes, our experienced technicians can quickly diagnose the issue and recommend the most cost-effective repair solution.
From complete heating system installations to annual maintenance and emergency repairs, Pacific Blue Mechanical delivers dependable workmanship and trusted heating solutions for residential and light commercial properties across Metro Vancouver.
The Navien NHB-150H Condensing Heating Boiler is designed for hydronic space heating applications in residential and light commercial properties.
Dual stainless steel heat exchangers improve durability, corrosion resistance, and long-term heating performance.
Yes. Its high-efficiency condensing technology and 15:1 turndown ratio help reduce energy consumption and improve heating efficiency.
Yes. It includes built-in zoning control for improved heating management and simplified installation.
Yes. Proper installation ensures safe operation, optimized system performance, and compliance with gas and venting requirements.
