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Navien / Water Heater / NPE-A2
Water Heater Gas Tankless

Navien NPE-A2

Navien NPE-A2 condensing gas tankless water heater with built-in ComfortFlow recirculation pump and buffer tank for immediate hot water delivery. Direct vent, 0.95 UEF, 15-year heat exchanger warranty.

Fuel

Natural Gas (LP convertible)

Power Source

GAS

Condensing

Yes

Vent Type

Direct Vent

Vent Pipe Diameter

2"

Installation

INDOOR

Model Comparison

3 models
NPE-A2
NPE-A2
NPE-A2
Specification 150,000 BTU 180,000 BTU 199,000 BTU
Model NPE-180A2NPE-210A2NPE-240A2
Min BTU Input 15,000 BTU15,000 BTU15,000 BTU
UEF 0.950.950.95
Max Flow Rate 6.6 GPM8 GPM8.4 GPM
Height 27.2"27.2"27.2"
Width 17.1"17.1"17.1"
Depth 14.8"14.8"14.8"
Weight 54 lbs54 lbs54 lbs

Shared Specifications

All models
Fuel Natural Gas (LP convertible)
Power Source GAS
Condensing Yes
Vent Type Direct Vent
Vent Pipe Diameter 2"
Installation INDOOR
Application RESIDENTIAL
ENERGY STAR® Yes
Warranty — Heat Exchanger 15 yr
Warranty — Parts 5 yr
Type Water Heater

Documentation