Page 210 - 8170 Money Builder Binder for Owner_Neat

MAINTENANCE

Remove the upper or lower T&P Relief Valve Maintenance other problems can only be deter-
3 access panel on the water mined when a qualified person

heater and carefully fold back Read and follow the operaƟ ng and removes and inspects the valve and
the insulaƟ on and plasƟ c element/ annual maintenance instrucƟ ons its components.
thermostat cover. provided by the manufacturer of the • Note that a dripping T&P Relief
T&P Relief Valve (yellow label aƩ ached Valve is usually caused by the
Make sure the replacement to T&P Relief Valve). Minerals in the
4 thermostat matches the water can form deposits that cause home’s water pressure being
too high or the lack of a Thermal
original thermostat. the valve to sƟ ck or create blocked Expansion Tank. If your T&P Relief
passages, making the T&P Relief Valve Valve drips, see page 20.
Mark the wires with tape so
5 you’ll know how to put them inoperaƟ ve. Follow these guidelines:
back on. • At least annually, operate the T&P
Relief Valve manually to ensure the
Disconnect the wires from the waterways are clear and the valve
6 bad thermostat and remove mechanism moves freely (above).
the thermostat from the Before operating the valve manu-
metal mounƟ ng clip. ally, check that it will discharge in a
place for secure disposal. If water
Install the new thermostat in does not flow freely from the end
7 the metal mounƟ ng clip. of the discharge pipe, turn OFF the
power to the water heater. Call a
Make sure the new thermo- qualified person to determine the
8 stat Į ts snuggly against the cause.
tank. You should NOT be able
WARNING! Hot water will be
to slip a business card between the
released. Before operaƟ ng the T&P
thermostat and the tank. If you can,
relief valve manually, check that it
bend the thermostat mounƟ ng clip
will discharge in a safe place. If water
unƟ l the thermostat Į ts Ɵ ghtly against
does not Ň ow freely from the end of
the tank.
the discharge pipe, turn the power to
AƩ ach the wires following the the water heater OFF. Call a qualiĮ ed
9 wiring diagram on the water person to determine the cause.
heater’s label. Make sure all
wire connecƟ ons are Ɵ ght.
Replace the plasƟ c element/
10 thermostat cover, insulaƟ on,

and access panel.
Replace the cover on the
11 electrical juncƟ on box.

Restore power to the water
12 heater. It may take two hours
Figure 38 -രT&P Relief Valve
for the tank to heat up. • At least every five years, have a
MAINTENANCE Relief Valve and discharge pipe.
qualified person inspect the T&P

Damage caused by corrosive water
conditions, mineral deposits, or

24 • ResidenƟ al Electric Water Heater Use and Care Guide