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Installation Checklist
Water Heater Location
□ Centrally located with the water piping system. Located
as close to the gas piping and vent pipe system as
possible.
□ Located indoors and in a vertical position. Protected
from freezing temperatures.
□ Proper clearances from combustible surfaces
maintained and not installed directly on a carpeted floor.
□ Provisions made to protect the area from water damage.
Drain pan installed and piped to an adequate drain.
□ Installation area free of corrosive elements and
flammable materials.
□ Sufficient room to service the water heater.
□ Water heater not located near an air moving device.
□ DO NOT install in bathrooms, bedrooms, or any
occupied room normally kept closed.
Combustion Air Supply and Ventilation
□ Sufficient fresh air supply for proper water heater
operation.
□ Fresh air not taken from areas that contain negative
pressure producing devices such as exhaust fans,
fireplaces, etc.
□ Fresh air supply free of corrosive elements and
flammable vapors.
□ Fresh air openings sized correctly with consideration
given to the blocking effect of louvers and grilles.
□ Ductwork is the same cross-sectional area as the
openings.
Vent Pipe System
□ Drafthood properly installed.
□ Vent connectors securely fastened with screws and
supported properly to maintain six inch clearance.
□ Vent connector made of approved material and sized
correctly.
□ Vent pipe system must be installed according to all
local and state codes or, in the absence of local and
state codes, the “National Fuel Gas Code”, ANSI
Z223.1(NFPA 54)-latest edition.
□ Flue baffle engaged in slots provided in the flue tube.
□ Flue way, drafthood, or vent pipe system not obstructed
in any way.
Water System Piping
□ Temperature and pressure relief valve properly installed
with a discharge line run to an open drain and protected
from freezing.
□ All piping properly installed and free of leaks.
□ Heater completely filled with water.
□ Closed system pressure build-up precautions installed.
□ Tempering valve installed per manufacturer’s
instructions, when applicable (See Water Temperature
Regulation section.)
Gas Supply and Piping
□ Gas supply is the same type as listed on the water heater
data plate.
□ Gas line equipped with shut-off valve, union, and drip leg.
□ Approved pipe joint compound used.
□ Adequate pipe size and of approved material.
□ An approved noncorrosive leak detection solution to
check all connections and fittings for possible gas leaks.
Correct any leak found.
Important Information About
Your Water Heater
This gas water heater was manufactured to voluntary
safety standards to reduce the likelihood of a flammable
vapor ignition incident. New technology used in meeting
these standards makes this product less tolerant of
installation errors or improper installation environments.
Please review the following information and make any
necessary installation upgrades or changes:
1. Check for insufficient combustion air. Insufficient
air for the combustion of gas will result in the flame
becoming “lazy,” thereby allowing heat to build up in
the combustion chamber. This excessive heat will
cause a thermal switch on the door assembly to trip.
Is the water heater installed in a closet or other small,
enclosed space? If so:
• Are there openings for make-up air to enter and
exit the room/area?
• Are the openings of sufficient size? Remember,
if there are other gas-fired or air-consuming
appliances in the same room, you need more
make-up air. Refer to the Location Requirements
section of this water heater manual for specific
requirements.
• Is there a furnace/air handler in the same room/
space as the water heater? If so, has a return air
duct system been attached that exits the room?
If so, check for leaks on the air duct system. If no
air duct system is present, correct immediately
by contacting a local Heating, Ventilation, Air-
Conditioning & Refrigeration (HVAC-R) authorized
service provider.
2. Check for proper drafting at the water heater draft
hood. Refer to the “Checking the Draft” section of this
manual for the test procedure. If the procedure shows
no draft is present:
• Recheck #1.
• Check the vent system for restrictions/obstructions
and check the vent termination height. Refer to
the Air Supply and Ventilation section of this water
heater manual for specific requirements.
3. Is the installed environment dirty (excessive amounts
of lint, dirt, dust, etc.)? If so, make sure the flame
arrestor located on the bottom of the water heater
has been cleaned. Refer to the Maintenance of your
Water Heater section of this manual for information on
cleaning the flame-trap.
4. Is it possible that flammable vapors entered the
water heater and were ignited in the burner area (a
flammable vapor incident)? If a flammable vapor
incident has occurred or if you are unsure whether it
has, call the number below immediately.
Proper installation will ensure the safe, effective and
efficient operation of the water heater. Make sure that
you review and follow the instructions in this manual.
Questions? Call 1-877-817-6750.