Quick Installation Guide
Model
NPE-180A / 210A / 240A
NPE-180S / 210S / 240S
1
Lift up the water heater, rest the unit
on the hooks provided on the wall
bracket on the wall.
Secure the mounting bracket to the
wall with the tapping screws and
anchors.
Drill in the supplied anchor
bolts after considering where
the vent termination will be
located.
STEP 1 Before Installing
Read the Installation Manual and Operation manual before
installing.
This product must be installed and serviced by a licensed
plumber, a licensed gas fitter, or a professional service
technician. Navien is not liable for any damages or defects
resulting from improper installation.
When applicable, the installation must conform with Manufactured Home
Construction and Safety Standard, Title 24 CFR, Part 3280 and/or CAN/CSA Z240
MH Series, Mobile Homes.
Safety
DO NOT install in areas with excessively high humidity.
Location Requirements
Select the best location on “Choosing an Installation” in the installation
Manual.
Allowable minimum clearances
STEP 2 Installing
Unpacking
Navien water heater
Operation Manual and
Installation Manual
Wall mounting bracket
Tapping screws and anchors
Vent terminators
Wall flanges
Conversion Kit
Spare Parts
Checking the Rating Plate
This water heater is configured for Natural
Gas from the factory. If conversion to
Propane Gas is required, the conversion kit
supplied with the water heater must be
used.
Mounting on the Wall
Removing the Front Cover
Remove the
4 screws
CAUTION
Do not install water heater on dry wall only
WARNING
•
Before connecting the gas supply, determine the gas type and
pressure for the water heater by referring to the rating plate. Use
only the same gas type indicated on the rating plate. Using a
different gas type will result in abnormal combustion and
malfunction of the water heater. Gas supplies should be connected
by a licensed professional only.
•
The appliance and its gas connection must be leak tested before
placing the appliance in operation.
•
This water heater cannot be converted from natural gas to propane
or vice versa without a Navien gas conversion kit. Do not attempt a
field conversion of this water heater without a Navien gas
conversion kit. Doing so will result in dangerous operating
conditions and will void the warranty.
Navien America Inc. is not liable for any property damage and/or
personal injury resulting from improper conversions.
For indoor installation
Clearance
from:
Indoor
Installation
Outdoor
Installation
Top
9 inches (229mm)
minimum
36 inches (900mm)
minimum
Back
0.5 inches (20mm)
minimum
0.5 inches (20mm)
minimum
Front
4 inches (100mm)
minimum
24 inches (600mm)
minimum
Sides
3 inches (76mm)
minimum
3 inches (76mm)
minimum
Bottom
12 inches (300mm)
minimum
12 inches (300mm)
minimum
* (): for outdoor installation
** Back of the water heater: Min. 0.5”
WARNING
Follow all local codes and/or the most recent edition of the National Fuel Gas Code
(ANSI Z223.1/NFPA 54) in the USA, or the Natural Gas and Propane Installation Code in
Canada (CAN/CGA B149.1).
