Pacific Blue Mechanical » Navien NPN-160U Premium Non-Condensing Tankless Water Heater
The Navien NPN-160U Premium Non-Condensing Tankless Water Heater is a compact and efficient outdoor tankless water heater designed to deliver dependable on-demand hot water for residential applications. Built with durable NaviTech stainless steel components and engineered for long-term performance, this premium non-condensing system offers reliable operation while helping homeowners save valuable indoor space.
Its exterior installation design makes the NPN-160U an excellent solution for retrofit projects and homes with limited indoor mechanical room availability. With advanced burner technology, cascading capability, and low NOx emissions, this system combines performance, durability, and environmental responsibility in a space-saving package.
The Navien NPN-160U Premium Non-Condensing Tankless Water Heater is designed to provide reliable hot water while minimizing installation footprint. Its compact outdoor configuration helps preserve indoor living and utility space, making it ideal for retrofit applications and modern residential projects.
The stainless steel heat exchanger and burner are engineered for durability and efficient performance under regular use. With cascading capability, multiple units can be connected together to support larger homes or higher simultaneous hot water demands.
Low NOx emissions also make the NPN-160U a cleaner and more environmentally friendly water heating solution.
| Item | NPN-160U |
| Heat Capacity (Domestic Hot Water) | 10,700 - 160,000 BTU/h (3.14 - 46.88 kWh) |
| Efficiency Rating (NG & LP UEF) | 0.81 |
| Flow Rate - 35°F Temp Rise | 7.6 GPM (28.8 l/m) |
| Flow Rate - 45°F Temp Rise | 5.9 GPM (22.3 l/m) |
| Flow Rate - 67°F Temp Rise | 4 GPM (15.1 l/m) |
| Dimensions | 14.0" W x 23.0" H x 9.3" D (35.6cm W x 58.4cm H x 23.6cm D) |
| Boiler Weight | 55 lbs (24.9 kg) |
| Installation Location | Indoor or outdoor wall-hung |
| Venting Type | Forced draft direct vent (indoor only) |
| Ignition | Electronic ignition |
| DHW Water Pressure | 15-150 PSI (1.05-10.55 kg/cm2) |
| 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 " WC (1.99 kPa to 3.23 kPa) |
| Natural Gas Manifold Pressure (min-max) | 2.8 " WC to 0.7 " WC (0.7 kPa to 0.17 kPa) |
| Propane Gas Manifold Pressure (min-max) | 5.9 " WC to 1.4 " WC (1.5 kPa to 0.34 kPa) |
| Minimum Flow Rate | 0.5 GPM (1.9 l/m) |
| Cold Water Inlet | 3/4 |
| Hot Water Outlet | 3/4 |
| Gas Inlet | 3/4 |
| Power Supply | 120V AC, 60 Hz |
| Normal Power Consumption | 90 W |
| Standby Power Consumption | 4 W |
| Anti-Frost Power Consumption | 114 W |
| External Pump | < 150 W, 1.5 A W |
| Fuse | 5.0 A |
| Casing Material | Cold rolled carbon steel |
| Heat Exchangers | Stainless steel |
| Safety Devices | Flame rod, APS, ignition operation detector, water temperature high limit switch, power surge fuse |
Navien reserves the right to change specifications at any time without prior notice.
| Product | Warranty Type | Labor | Parts | Heat Exchanger |
| Residential* | Standard1 or Controlled Recirculation2 | 1 Year | 5 Years | 15 Years |
| Residential* | Uncontrolled Recirculation3 | 1 Year | 3 Years | 5 Years |
| Commercial or Combi4 | Standard1 or Controlled Recirculation2 | 1 Year | 5 Years | 5 Years |
| Commercial or Combi4 | Standard or Controlled Recirculation3 | 1 Year | 3 Years | 3 Years |
* Applies only to single family, residential locations.
1 Standard means there is no recirculation being used.
2 Controlled Recirculation means recirculation of the water through the water heater is controlled by either the water heater or an external aquastat.
3 Uncontrolled Recirculation: External pumps configured to circulate continuously through the water heater are subject to the uncontrolled recirculation warranty terms. An aquastat is the minimum pump control requirement for DHW or storage tank recirculation in order to maintain the full controlled recirculation warranty.
4 Combi refers to a combination potable water and space heating application. Water heaters cannot be used in space-heating-only applications or this warranty will be voided.
Pacific Blue Mechanical provides complete supply, installation, repair, and maintenance services for the Navien NPN-160U Premium Non-Condensing Tankless Water Heater across Metro Vancouver. Whether you are replacing an existing outdoor unit or planning a new high-efficiency hot water system, our licensed technicians deliver end-to-end solutions designed for long-term reliability and performance.
If requested, we can directly source and supply the NPN-160U for your project and handle the full installation process from start to finish. This includes propane gas line connection, outdoor mounting, water line integration, system commissioning, safety checks, and performance optimization to ensure safe and efficient operation.
Already have a Navien NPN-160U installed? We also provide professional maintenance and repair services including diagnostics, troubleshooting, flushing, descaling, burner servicing, leak detection, component replacement, and preventative maintenance to keep your system operating at peak efficiency year-round.
If your unit is experiencing issues such as inconsistent hot water, ignition failures, pressure fluctuations, error codes, or reduced performance, our experienced technicians can quickly identify the issue and recommend the most cost-effective repair solution.
From full system installations to emergency repairs and routine maintenance, Pacific Blue Mechanical delivers trusted workmanship and dependable hot water solutions for homeowners throughout Metro Vancouver.
The Navien NPN-160U Premium Non-Condensing Tankless Water Heater is a premium outdoor non-condensing propane tankless water heater.
Yes. This model is specifically engineered for exterior outdoor installations.
Yes. The NPN-160U supports cascading capability for higher hot water demand applications.
Yes. Its compact outdoor wall-mounted design helps free up valuable indoor utility and storage space.
