Navien NPE-240A Operation Manual

6 About the Water Heater
2.2 Parts of the Water Heater
Exhaust
Gas Vent
Combustion
Air Intake
Bottom View
a
b
c
d
e
f
g
h
# Description Remark
a Pump Drain Port “A” model only
b Gas Inlet
c Hot Water Outlet Connection
d Recirculation Inlet “A” model only
e Condensate Water Clean-out
f Inlet Water Filter
g Cold Water Inlet Connection
h Condensate Drain Connection
2.1 Description of the Water Heater
The NPE-series water heater is available in 7 models: NPE-150S,
NPE-180A, NPE-180S, NPE-210A. NPE-210S, NPE-240A and NPE-
240S.
The main features are as follows:
Ɣ
Potable domestic hot water, combination space heating, and
commercial applications
Ɣ
Maximum temperature: 182 °F (83 °C)
Ɣ
Dual stainless steel Heat Exchangers with stainless steel piping
Ɣ
Built-in pump and 0.4 US gallon (1.5 liter) Buffer Tank for internal
or external recirculation (“A” model only)
2. About the Water Heater

Navien NPE-240A Specifications

General

Type	Tankless
Fuel Type	Natural Gas or Propane
Energy Factor	0.97
Energy Efficiency	97%
Voltage	120V
Ignition Type	Electronic
Maximum Input	199, 900 BTU/h
Water Connection Size	3/4"
Gas Connection Size	3/4"
Warranty	15-year on heat exchangers, 5-year on parts, 1-year on labor
Dimensions	17.3" W x 13.2" D x 27.4" H