State P6 20 10 MS K - Manual (Page 16)

Periodic Maintenance (cont’d)
Element Cleaning/
Replacement
NOTE: These instructions are written for element clean-
ing and element replacement for the lower element. If it
is necessary to clean or replace the upper element, then
repeat these instructions.
To remove the element from the tank in order to clean or
replace it:
1. Before beginning turn “OFF” the electric power supply
to the water heater.
2. Turn off the water supply to the water heater at the
water shutoff valve or water meter.
3. Attach a hose to the water heater drain valve and put
the other end in a floor drain or outdoors. Open the
water heater drain valve. Open a nearby hot water
faucet which will relieve pressure in the water heater
and speed draining. Note: Only 30 gallon model is
equipped with a drain valve. It is recommended that
all other models have a drain valve installed in the
cold water inlet line; see Typical Installation section.
4. Remove the two screws securing the access panel, and
remove panel.
5. Remove the insulation block to expose the opening.
16
WARNING
HAZARD OF ELECTRICAL SHOCK! Before removing any
access panels or servicing the water heater, make sure the
electrical supply to the water heater is turned “OFF”.
Failure to do this could result in DEATH, SERIOUS BODI-
LY INJURY, OR PROPERTY DAMAGE.
WARNING
The water passing out of the drain valve may be extremely
hot. To avoid being scalded, make sure all connections
are tight and that the water flow is directed away from
any person.
THERMOSTAT BRACKET
TERMINAL COVER CLIPPED TO
THERMOSTAT AT THIS POINT PLASTIC TABS ON
BOTH SIDES OF
TERMINAL COVER
HOLD IT IN PLACE.
TANK
ELEMENT
LOWER THERMOSTAT
JACKET
JACKET
6. A. Models with Lower Thermostat without High Limit: Lift
out the tab as shown to unclip the terminal cover from
the thermostat. The terminal cover can now be removed
from the thermostat.