About The Water Heater; Description Of The Water Heater; Parts Of The Water Heater - Navien NPE-210A Operation Manual

2. About the Water Heater

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:
Potable domestic hot water, combination space heating, and
commercial applications
Maximum temperature: 182 °F (83 °C)
Dual stainless steel Heat Exchangers with stainless steel piping
Built-in pump and 0.4 US gallon (1.5 liter) Buffer Tank for internal
or external recirculation ("A" model only)
6 About the Water Heater

2.2 Parts of the Water Heater

Combustion
Air Intake
Bottom View
a
b
c
d
e
# Description
a Pump Drain Port
b Gas Inlet
c Hot Water Outlet Connection
d Recirculation Inlet
e Condensate Water Clean-out
f Inlet Water Filter
g Cold Water Inlet Connection
h Condensate Drain Connection
Exhaust
Gas Vent
f
g
h
Remark
"A" model only
"A" model only