Page 206 - 8170 Money Builder Binder for Owner_Neat

TROUBLESHOOTING

Temperature Too High Drips from T&P Relief If the water pressure is between 50
and 60 psi, a Thermal Expansion Tank
If the water temperature is too hot: Valve Discharge Pipe is installed and properly pressurized,

• Install or adjust the Thermostatic A small amount of water dripping from and the valve has been cleared of any
Mixing Valves for each point-of-use the Temperature and Pressure (T&P) debris, and it sƟ ll drips, the valve may
(see manufacturer’s instructions), Relief Valve usually means the home’s be broken—have a qualiĮ ed person
or water pressure is too high or you need replace the T&P relief valve.
a properly sized and pressurized Ther-
• Adjust the thermostat(s) on the Water Odor
water heater (see Step 10 in the mal Expansion Tank. Refer to Step 1 in
installation section of this manual). the InstallaƟ on secƟ on of this manual Harmless bacteria normally present in
for more informaƟ on. A large amount tap water can mulƟ ply in water heat-
A nonfuncƟ oning thermostat or a of hot water coming from the T&P ers and give oī a “roƩ en egg” smell.
shorted heaƟ ng element can cause ex- discharge pipe may be due to the tank Although eliminaƟ ng the bacteria that
tremely hot water. If the Temperature overheaƟ ng. causes “smelly water” with a Chlorina-
and Pressure Relief Valve (T&P Valve) Ɵ on system is the only sure treatment,
WARNING! Do not cap or plug the
releases large amounts of very hot in some cases, the standard anode
T&P relief valve or discharge pipe,
water, it is likely due to a shorted heat- rod that came with your water heater
and do not operate the water heater
ing element, or more rarely a nonfunc- can be replaced with a special zinc
without a funcƟ oning T&P Relief Valve
Ɵ oning thermostat, or the thermostat anode rod which may help reduce or
- this could cause an explosion.
does not Į t snuggly against the tank. eliminate the odor. Contact a qualiĮ ed
Very high water temperatures can also person.
Water pressure too high. High water
cause the Energy Cut Oī (ECO) to trip
pressure can cause the T&P Relief
(see page 19). Turn power oī unƟ l NOTE: To protect the tank, an anode
Valve to drip. Install a Pressure Reduc-
this problem is Į xed. rod must be installed in the water
ing Valve (PRV) on the main cold water
heater at all Ɵ mes or the warranty is
supply line. Adjust the PRV to between
void.
Low Water Pressure 50 and 60 psi.
In cases where the “roƩ en egg” smell
Check both the cold and hot water at a Thermal Expansion Tank. Install a is pronounced, you can raise the tank
sink to determine if the lower pressure Thermal Expansion Tank. If a Thermal temperature to 140°F in order to re-
is only on the hot water side. If both hot Expansion Tank is already installed and duce bacteria growth in the tank.
and cold faucets have low pressure, call the T&P Relief Valve discharge pipe atures increase the risk of scalding, if
TROUBLESHOOTING primary causes of this are: sure or the internal bladder may be you set the thermostat(s) higher than
WARNING! Because higher temper-
drips, the Thermal Expansion Tank may
your local water uƟ lity. If the low pres-
be pressurized to the wrong pres-
sure is only on the hot water side, the
defecƟ ve. Refer to the instrucƟ ons that
120°F, ThermostaƟ c Mixing Valves
• Melted heat traps or dip tube. Sol-
came with the Thermal Expansion Tank
at each point-of-use are parƟ cularly
dering copper pipes while they are
important (page 4).
for more informaƟ on.
connected to the water heater can
melt the heat traps inside the hot
Debris. In rare cases, debris can sƟ ck
and cold water connections or the
inside the T&P Relief Valve prevenƟ ng
dip tube (cold water side). Melted
heat traps or a melted dip tube can
case, the T&P Relief Valve discharge
restrict the flow of hot water. If that’s
the case, replace the heat traps or the valve from seaƟ ng fully. In that
pipe will drip. You may be able to clear
dip tube. debris from the T&P Relief Valve by
manually operaƟ ng the valve, allowing
• Partially closed supply valve. Open small quanƟ Ɵ es of water to Ň ush out
the water heater’s supply valve
fully. the debris. See the label on the T&P
Relief Valve for instrucƟ ons.
20 • ResidenƟ al Electric Water Heater Use and Care Guide