Pacific Blue Mechanical » Navien NPN-199E Premium Non-Condensing Tankless Water Heater
The Navien NPN-199E Premium Non-Condensing Tankless Water Heater is a high-performance outdoor tankless water heating solution designed to deliver reliable, on-demand hot water while maximizing installation flexibility and space savings. Engineered with premium stainless steel components and advanced burner technology, this unit provides long-term durability and dependable residential hot water performance.
Its compact, space-saving design makes the NPN-199E an excellent option for retrofit projects and properties where indoor mechanical room space is limited. Designed specifically for outdoor installation, the unit eliminates the need for additional indoor venting space while maintaining efficient operation.
The Navien NPN-199E Premium Non-Condensing Tankless Water Heater is designed to provide efficient and continuous hot water while reducing the space requirements associated with traditional storage tank systems.
Its outdoor installation capability helps simplify retrofit applications and preserve indoor utility space. The durable stainless steel heat exchanger and burner improve reliability and long-term performance, while cascading capability allows multiple units to work together for higher-demand applications.
Low NOx emissions also make the NPN-199E a cleaner and more environmentally conscious water heating solution.
| Item | NPN-199E |
| Heat Capacity (Domestic Hot Water) | 10,700 - 199,900 BTU/h (3.14 - 58.57 kWh) |
| Efficiency Rating (NG & LP UEF) | 0.81 |
| Flow Rate - 35°F Temp Rise | 9.5 GPM (36 l/m) |
| Flow Rate - 45°F Temp Rise | 7.4 GPM (28 l/m) |
| Flow Rate - 67°F Temp Rise | 5.1 GPM (19.3 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 | 60 lbs (27.2 kg) |
| Installation Location | Outdoor wall-hung |
| Venting Type | N/A |
| 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) | 3 " WC to 0.52 " WC (0.74 kPa to 0.13 kPa) |
| Propane Gas Manifold Pressure (min-max) | 6.6 " WC to 1.3 " WC (1.6 kPa to 0.32 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 | 120 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-199E Premium Non-Condensing Tankless Water Heater throughout Metro Vancouver. Whether you are replacing an older outdoor water heater or upgrading to a modern tankless system, our licensed technicians deliver professional solutions designed for reliable long-term performance.
If requested, we can directly source and supply the NPN-199E for your project and professionally handle the full installation process from start to finish. This includes propane gas line connection, outdoor mounting, water line integration, commissioning, safety testing, and system optimization to ensure efficient and dependable operation.
Already have a Navien NPN-199E installed? We also provide complete maintenance and repair services including diagnostics, troubleshooting, flushing, descaling, burner servicing, leak detection, component replacement, and preventative maintenance to help maximize system efficiency and extend equipment lifespan.
If your tankless water heater is experiencing inconsistent hot water, ignition problems, pressure fluctuations, system error codes, or reduced performance, our experienced technicians can quickly identify the issue and recommend the most cost-effective repair solution.
From complete tankless water heater installations to emergency service calls and annual maintenance, Pacific Blue Mechanical delivers trusted workmanship and dependable hot water solutions for homeowners across Metro Vancouver.
The Navien NPN-199E 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 installation applications.
The unit is designed for propane gas (LP) applications.
Yes. The NPN-199E supports cascading capability for larger residential or light commercial hot water demands.
Yes. Its compact wall-mounted design makes it ideal for retrofit installations and properties with limited indoor mechanical space.
