Kenmore 153.33443 - Manual (Page 15)

The temperature-pressure relief valve must be manually
operated at least once a year. Caution should be taken to ensure
that (1) no one is in front of or around the outlet of the
temperature-pressure relief valve discharge line, and (2) the
water manually discharged will not cause any bodily injury or
property damage because the water may be extremely hot.
If after manually operating the valve, it fails to completely reset
and continues to release water, immediately close the cold
water inlet to the water heater, follow the draining instructions,
and replace the temperature-pressure relief valve with a new
one.
Filling the Water Heater
CAUTION
Property Damage Hazard
' Avoid water heater damage.
■ Fill tank with water before operating.
Never use this water heater unless it is completely full of water.
To prevent damage to the tank, the tank must be filled with water.
Water must flow from the hot water faucet before turning “ON”
gas to the water heater.
To fill the water heater with water;
• Close the water heater drain valve by turning the handle to
the right (clockwise). The drain valve is on the lower front of
the water heater. •
• Open the cold water supply valve to the water heater.
NOTE: The cold water supply valve must be left open
when the water heater is in use.
and mechanically actuated vent dampers). Before installation
of any vent damper, consult your local Sears Service Center or
the local gas supplier for further information.
^WARNING
Breathing Hazard - Carbon Monoxide Gas
Vent dampers must be certified
in accordance with ANSI 2121.68.
Vent damper must permit proper
drafting of water heater.
Install properly sized venting.
Do not install without venting
outdoors.
Do not install without drafthood.
If common vented install in
accordance with NFPA 54.
Be alert for obstructed or deterio­
rated
vent system to avoid
serious injury or death.
Breathing carbon monoxide can cause brain damage or
death. Always read and understand instruction manual.
To insure proper venting of this gas-fired water heater, the correct
vent pipe diameter must be utilized. Any additions or deletions
of other gas appliances on a common vent with this water heater
may adversely affect the operation of the water heater. Consult
your gas supplier if any such changes are planned. For
replacement heater installations where using pre-existing
venting, venting must be inspected for obstructions and if
deterioration is present, venting must be replaced.
For proper venting in certain installations, a larger diameter vent
pipe may be necessary. Consult your local Sears Service Center
or gas supplier to aid you in determining the proper venting for
your water heater from the vent tables in the current edition of
the National Fuel Gas Code ANSI Z223.1/NFPA 54.
To insure complete filling of the tank, allow air to exit by
opening the nearest hot water faucet. Allow water to run
until a constant flow is obtained. This will let air out of the
water heater and the piping.
Check all water piping and connections for leaks. Repair as
needed.
Venting
VENT DAMPERS - Any vent damper, whether it is operated
thermally or otherwise must be removed if its use inhibits proper
drafting of the water heater.
Thermally Cperated Vent Dampers: Gas-fired water heaters
having thermal efficiency in excess of 80% may produce a
relatively low flue gas temperature. Such temperatures may
not be high enough to properly open thermally operated vent
dampers. This would cause spillage of the flue gases and may
cause carbon monoxide poisoning.
Vent dampers must bear evidence of certification as complying
with the current edition of the American National Standard
ANSI Z21.68 (ANSI Z21.66 & 67, respectively, cover electrically
Periodically check the venting system for signs of obstruction or
deterioration and replace if needed.
The combustion and ventilation air flow must not be obstructed.
The water heater with draft hood installed must be connected to
a chimney or listed vent pipe system, which terminates to the
outdoors. Never operate the water heater unless it is vented to
the outdoors and has adequate air suppiy to avoid risks of
improper operation, expiosion or asphyxiation.
• For proper draft hood attachment, the draft hood iegs may
be angied slightiy inward.
• Place the draft hood legs in the receiving holes on the top of
the water heater. The legs will snap in the holes to give a
tight fit. Secure two legs to top with sheet metal screws.
• Place the vent pipe over the draft hood. With the vent pipe in
position, drill a small hole through both the vent pipe and
draft hood. Secure them together with a sheet metal screw.
See Figure 17.
Obstructed or deteriorated vent systems may present serious
health risk or asphyxiation.
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