Previous
Next
NPE-180S
Navien NPE-180S Premium Condensing Tankless Gas Water Heater
- Field convertible gas system
- Ultra condensing efficiency
- Dual stainless steel heat exchangers
- Low NOx emissions (20ppm)
- SCH 40, 2″ venting up to 75′
- Cascading capable
- EZNav multi-line control panel
- Built-in HotButton control panel
- Common vent up to 12 units
Features
Spicifications
Features
- Field convertible gas system
- Ultra condensing efficiency
- Dual stainless steel heat exchangers
- Low NOx emissions (20ppm)
- SCH 40, 2″ venting up to 75′
- Cascading capable
- EZNav multi-line control panel
- Built-in HotButton control panel
- Common vent up to 12 units
Spicifications
| Item | NPE-180S2 | |
|---|---|---|
| Heat Capacity (input) | Natural gas | 10,000 – 150,000 BTU/h |
| Propane | 10,000 – 150,000 BTU/h | |
| Efficiency ratings | UEF (NG & LP) | 0.96 |
| Flow rate (DHW) | 19°C temp rise | 31.8 l/m (8.4 GPM) |
| 25°C temp rise | 24.6 l/m (6.5 GPM) | |
| 37°C temp rise | 16.3 l/m (4.3 GPM) | |
| Dimensions | 43.9cm W x 69.6cm H x 33.5cm D (17.3″ W x 27.4″ H x 13.2″ D) | |
| Boiler weight | 30.8 kg (68 lbs) | |
| Installation location | Indoor or outdoor wall-hung | |
| Venting type | Forced draft direct-vent | |
| Ignition | Electronic ignition | |
| Water pressure | 1.055-10.545 kg/cm2Â (15-150 PSI) | |
| Natural gas supply pressure (from source) | 3.5 ” WC to 10.5 ” WC | |
| Propane gas supply pressure (from source) | 8 ” WC to 13 ” WC | |
| Natural gas manifold pressure (min-max) | -0.03 ” WC to -0.55 ” WC | |
| Propane gas manifold pressure (min-max) | -0.02 ” WC to -0.55 ” WC | |
| Minimum flow rate | 1.893 l/m (0.5 GPM) | |
| Connection sizes | Cold water inlet | 3/4″ NPT |
| Hot water outlet size | 3/4″ NPT | |
| Gas inlet | 3/4″ NPT | |
| Power supply | Main supply | 120V AC, 60 Hz |
| Maximum power consumption | 200 W (max 2 A), 350 W (max 4 A) with external pump connected | |
| Materials | Casing | Cold rolled carbon steel |
| Heat exchangers | Primary heat exchanger: stainless steel Secondary heat exchanger: stainless steel | |
| Venting | Exhaust | 2″ or 3″ PVC, CPVC, approved polypropylene and stainless steel 2″ or 3″ special gas vent type BH (Class II, A /B/C) |
| Intake | 2″ or 3″ PVC, CPVC, approved polypropylene and stainless steel 2″ or 3″ special gas vent type BH (Class II, A /B/C) | |
| Vent clearances | 0″ to combustibles | |
| High elevations | 10,100 feet for both NG or LP gas. Please refer to Installation Manual for additional details and instructions. | |
| Safety Devices | Flame rod, APS, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor, power surge fuse, burner high limit fuse, vent installation detector (VID) | |