The two stainless steel excahngers provide longer life expectancy as they are highly resistance to corrosion and erosion compared to copper heat exchangers.
Features:
Ultra Condensing Efficiency
- Navien’s Condensing Technology offers the high efficiency.
- Money and energy savings over a tank type water heaters and traditional water heaters.
Two Stainless Steel Heat Exchangers
- Provide longer life expectancy as they are highly resistance to corrosion and erosion compared to copper heat exchangers.
- Reduce minerals deposits.
Low NOx Emissions (≤ 20ppm)
- New metal fiber burner is designed to deliver a consistent air/gas mixture improving combustion efficiency.
- Result in less acid rain and less green house effect.
- Comply with SCAQMD 1146.2 strict NOx emissions standard.
2” PVC, CPVC, Polyprophylene Venting Up To 60’
- 2” venting option allows for a flue to be pulled through the existing vent.
- 3” vents can be used up to 150’ with standard 2” x 3” adapters.
Utilizes Existing 1/2" Gas Line
- The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications.
- Makes it possible for the NPE to be installed ” gas lines up to 24’.
Field Convertible
- NPE models allow for easy convertibility from NG to LP.
Less Water Press Drop
- Simple modular for water path minimizes water pressure drop.
- Modular design for water path make maintenance easier and service can be performed easily in the field.
Intelligent Preheating Technology
- Recognizes hot water usage patterns to intelligently provide hot water when needed.
Comfort Flow Technology
- Eliminates cold water sandwich.
- Saves water with the reduced time to get hot water.
- Saves money with built-in recirculation system.
- Intelligent pre-heating function.
Navien's Ready Link Cascade System
- Navien’s units have built in controls for multi-unit system allowing easy setting.
- No extra control boards are required, reducing installation costs.
- Easy wiring between units and easy setting of the parent and child for multi-unit system.
- 16 units can be linked as one group and cascade as many groups as you need.
- Cascading allows for added redundancy insuring on-demand hot water in all situations.
- Small and compact wall-hung design allows multi-unit system even in a confined area.
- Used for hotels, schools, hospitals, beauty shops, restaurants, health centers, and more.
Front Panel Command Center
- Self-diagnostics
- Displays temperature and water flow rate
- Displays status of cascade operation
- Convertible display from F to C
- User Friendly Interface
- Easy setup
Remote Control (Optional)
- Hot water temperature control
- Recirculation timer setting
- Function to set the number of initial activating water heaters for cascade system
- Temperature set-up for cascade system with external tanks.
Specifications:
| Heat Capacity (Input) |
| Natural Gas | 15,000-150,000 BTU/h |
| Propane Gas | 15,000-150,000 BTU/h |
| Energy Factor NG / LPG (DOE) | 0.95/0.96 |
| Flow Rate (DHW) |
| 35;F(19;C) Temp Rise | 8.4 GPM (32 L/m) |
| 45;F(25;C) Temp Rise | 6.5 GPM (25 L/m) |
| 77;F(43;C) Temp Rise | 3.8 GPM (14 L/m) |
| Dimensions | 17.3"(W) x 27.4"(H) x 11.4"(D) |
| Weight | 75 lbs (34kg) |
| Installation Type | Indoor or Outdoor Wall-Hung |
| Venting Type | Indoor or Outdoor Wall-Hung |
| Ignition | Electronic Ignition |
| Water Pressure | 15-150 PSI |
| Natural Gas Supply Pressure (from source) | 3.5"-10.5" WC |
| Propane Gas Supply Pressure (from source) | 8"-13" WC |
| Natural Gas Manifold Pressure (min to max) | -0.04" WC to -0.84" WC |
| Propane Gas Manifold Pressure(min to max) | -0.03" WC to -0.50" WC |
| Minimum Flow Rate | 0 GPM (0 L/m) |
| Connection Sizes |
| Cold Water Inlet | 3/4" NPT |
| Hot Water Outlet | 3/4" NPT |
| Recirculation Inlet | 3/4" NPT |
| Gas Inlet | 3/4" NPT (Suitablefor use with 1/2" rigid gas pipe; refer to installation manual for sizing criteria) |
| Power Supply |
| Main Supply | 120 V AC
60Hz |
| Maximum Power Consumption | 200 W (up to 2 amperes) |
| Materials |
| Heat Exchangers | Primary Heat Exchanger: Stainless Steel Secondary Heat Exchanger: Stainless Steel |
| Venting |
| Exhaust | 2" or 3" PVC
CPVC
Polypropylene 2" or 3" Special Gas Vent Type BH (Class II
A/B/C) |
| Intake | 2" or 3" PVC
CPVC
Polypropylene 2" or 3" Special Gas Vent Type BH (Class II
A/B/C) |
| Vent Clearances | 0" to Combustibles |
| Safety Devices | APS
Ignition Operation Detector
Water Temperature High Limit Switch
Exhaust Temperature High Limit Sensor
Power Surge Fuse |
Navien NPE180ANG Reviews & Ratings
Navien NPE180ANG Reviews
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