Sales: 50% off on all ALLURAVISION Electric Fireplaces

Load image into Gallery viewer, Tankless NPE-150S2
Load and play video in Gallery viewer, Tankless NPE-150S2
Load and play video in Gallery viewer, Tankless NPE-150S2
Load and play video in Gallery viewer, Tankless NPE-150S2

SKU: NPE-150S2

Tankless NPE-150S2

Vendor Navien
Call for Pricing
This is a pre order item. We will ship it when it comes in stock.

HIGH EFFICIENCY CONDENSING TANKLESS 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
A

2" PVC venting up to 75 feet. Low exhaust gas temperatures allow use of PVC (including schedule 40 PVC), CPVC, polypropylene (rigid and flexible) and stainless steel venting saving time and costs.Vent Installation Detector (VID) for added safety.

B

Dual Venturi for field gas conversions. Dual Venturi system creates better combustion control and turndown ratio.

Nav npe-s2
Dual stainless steel heat exchanger-c-new

Dual stainless steel heat exchangers for added durability.

Eznav

EZNav™ Multi-line control with built-in intuitive software.

 

 all NPE-2 models are field convertible from NG to LP gas

Product approvals

    CSA : YesNSF(Standard 5) : YesLow Lead(<0.25%) : YesSCAQMD 1146.2(NOx, <20ppm) : YesAHRI Number : 206423843Energy star certified : Yes

Efficiency Ratings*

    Uniform Energy Factor(UEF) : 0.93MAX l/m(37°C Rise) : 12.9 l/m (3.4 GPM)
Annual Energy Consumption* (Residential)
    Natural gas(Therms/Year) : 120.0Propane(Liters/Year) : 495.9 l (131 gal)Natural Gas Estimated Operating Cost** : $168Propane Estimated Operating Cost** : $405
*Based on U.S. Department of Energy (DOE) test procedures.
**Based on a national average natural gas cost of CA$1.40/therm, propane cost of CA$3.09/gallon.

Temperature Rise

Temp Rise NPE-150S2
19.4 °C (35 °F) 25.7 l/m (6.8 GPM)
22.2 °C (40 °F) 22.3 l/m (5.9 GPM)
25 °C (45 °F) 20.1 l/m (5.3 GPM)
27.8 °C (50 °F) 18.2 l/m (4.8 GPM)
30.6 °C (55 °F) 16.3 l/m (4.3 GPM)
33.3 °C (60 °F) 15.1 l/m (4 GPM)
36.1 °C (65 °F) 14 l/m (3.7 GPM)
38.9 °C (70 °F) 12.9 l/m (3.4 GPM)
41.7 °C (75 °F) 12.1 l/m (3.2 GPM)
44.4 °C (80 °F) 11.4 l/m (3 GPM)
47.2 °C (85 °F) 10.6 l/m (2.8 GPM)
50 °C (90 °F) 9.8 l/m (2.6 GPM)
55.6 °C (100 °F) 9.1 l/m (2.4 GPM)
61.1 °C (110 °F) 8.3 l/m (2.2 GPM)
66.7 °C (120 °F) 7.6 l/m (2 GPM)
72.2 °C (130 °F) 6.8 l/m (1.8 GPM)
77.8 °C (140 °F) 6.4 l/m (1.7 GPM)
Item NPE-150S2
Heat Capacity (input) Natural gas 18,000 - 120,000 BTU/h
Propane 18,000 - 120,000 BTU/h
Efficiency ratings UEF (NG & LP) 0.93
Flow rate (DHW) 19°C temp rise 25.7 l/m (6.8 GPM)
25°C temp rise 20.1 l/m (5.3 GPM)
37°C temp rise 12.9 l/m (3.4 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 28.1 kg (62 lbs)
Installation type Indoor or outdoor wall-hung
Ignition Electronic ignition
Water pressure 1.055-10.545 kg/cm2 (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) -0.04 " WC to -0.4 " WC
Propane gas manifold pressure (min-max) -0.03 " WC to -0.4 " 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)

*Available for NPE-A2 models configured in an optional ComfortFlow® recirculation mode. Energy consumption will increase when the system is configured for recirculation.

 


Navien reserves the right to change specifications at any time without prior notice.
No reviews
Rate us
Review QR Code

Rate us

Contact Us

Please fill out the form below and we’ll get back to you within 24 hours.

Contact Us