Use And Care Manual

13
Insulation Blankets
Insulation blankets, available to the general
public, for external use on gas water
heaters are not necessary. The purpose
of an insulation blanket is to reduce the
standby heat loss encountered with storage
tank heaters. This water heater meets or
exceeds the National Appliance Energy
Conservation Act standards with respect to
insulation and standby loss requirements
making an insulation blanket unnecessary.
The manufacturer’s warranty does not
cover any damage or defect caused by
installation, attachment or use of any type
of energy saving or other unapproved
devices (other than those authorized
by the manufacturer) into, onto or in
conjunction with the water heater. The use
of unauthorized energy saving devices may
shorten the life of the water heater and may
endanger life and property.
The manufacturer disclaims any
responsibility for such loss or injury
resulting from the use of such unauthorized
devices.
CAUTION: If local codes require the
application of an external insulation
blanket to this water heater, pay careful
attention to the following so as not to
restrict the proper function and
operation of the water heater.
● DO NOT cover the operating or warning
labels attached to the water heater or
attempt to relocate them on the exterior
of insulation blanket.
 DO NOT apply insulation to the top of
the water heater. This will interfere with
the safe operation of the draft hood.
 DO NOT cover the burner access door,
jacket door, gas control (thermostat)/gas
valve or pressure and temperature relief
valve.
 DO NOT apply insulation to the bottom
of the water heater or the area where
the combustion air inlet openings are
located. This area must be unobstructed
so as not to restrict combustion air flow
to the burner.
 Inspect the insulation blanket frequently
making certain it has not sagged and is
restricting the air flow to the combustion
air inlet openings (perforation holes)
located around the lower perimeter of the
water heater jacket. This could result in
an unsafe operating condition.
The water heater must be installed with the factory supplied draft hood in place.
Venting
This water heater is a Category I -Natural
Draft appliance. Vent connectors must be
attached to the draft hood outlet to connect
the water heater to the gas vent or chimney.
The vent connectors must be the same size
(diameter) as the draft hood or larger, never
smaller.
For proper venting in certain installations a
larger vent connector size may be needed. It
is recommended that a double wall B-Vent
connector be used for venting purposes.
Consult the Vent Tables in Appendix G of the
latest version of the National Fuel Gas Code
(ANSI Z223.1/NFPA 54).
Multi-story and common venting is
permitted. Consult the latest version
of the National Fuel Gas Code (ANSI
Z223.1/NFPA 54).
Horizontal vent connectors must be pitched
upward to the chimney at least 1/4" per
linear ft. Single wall vent connectors must
be at least 6” from adjacent unprotected
combustible surface. Vent joints must be
securely fastened by sheet metal screws or
other approved method.
Test for spillage at the draft hood relief
opening after 5 minutes of main burner
operation. Use a flame of a match or candle
or smoke. The flame or smoke should be
pulled into the draft hood’s relief opening(s).
If the flame or smoke is not pulled into the
draft hood's relief opening, shut off the water
heater and make proper adjustments/repairs to
the venting system.
DANGER: Failure to
install the draft hood and
properly vent the water
heater to the outdoors as
outlined in the Venting
section of this manual will
result in unsafe operation of
the water heater causing
bodily injury, explosion,
fire or death. To avoid the
risk of fire, explosion, or
asphyxiation from carbon
monoxide, NEVER operate
the water heater unless it is
properly vented and has
adequate air supply for
proper operation as
outlined in the Venting
section of this manual.
WARNING: If local codes
require external application
of insulation blanket kits
the manufacturer’s
instructions included with
the kit must be carefully
followed.
Heat Traps
For increased energy efficiency, some
water heaters have been supplied with
factory installed 3/4” NPT heat traps in
the hot outlet line and cold water inlet line.
These heat traps may require a minimum
of one (1) 90°, 3/4” NPT elbow and
may require an additional 90°, 3/4” NPT
elbow or a 3/4” coupling depending on
your installation needs. See Illustration of
nipples and heat traps in the "Replacement
Parts" section of this manual.