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SERVICE PROCEDURE MCE-XV
H
eating Element Removal
and Replacement
Heating Element Removal
1. STOP, DANGER! Turn power “OFF” to water heater.
2. Turn off cold water supply to heater. Connect hose to drain
spigot of water heater and route to an open drain. Open
a nearby hot water faucet to vent heater for draining. Open
drain spigot of water heater and allow heater to drain
to a point below the Element(s).
3. Close drain spigot and remove hose.
4. Remove access cover from lower control box.
Remove insulation from inside of control box.
Remove plastic cover from thermostat.
5. Disconnect wires from element terminals.
6. Remove element from tank using 1-½” deep well socket or appropriate wrench. Unscrew element counter-clockwise
to remove from tank.
7. Be sure to remove old element gasket from the tank. It is not recommended to be re-used.
Heating Element Replacement
1. Check new element terminal block for proper electrical rating. NOTE: Some elements have dual ratings, be sure to
check all surfaces of the element terminal block (see illustration below).
2. Apply new element gasket to the new element. Be sure gasket is seated flat against element flange without rolls or
gaps (see illustration below).
3. Clean any debris from element fitting on tank.
4. Thread new element clockwise into tank. Tighten element using 1-½” deep well socket or appropriate wrench. Do not
over tighten, over tightening may damage element gasket.
5. Reconnect wires to element, be sure connections are snug and corrosion free. Do not over tighten, doing so may
damage terminal block.
6. Resume water supply to heater, be sure tank is full of water and check for leaks.
7. Re-install plastic thermostat protector(s).
8. Re-install insulation and control box cover.
9. To resume operation, BE SURE TANK IS FULL OF WATER and restore power to water heater. Verify proper heater
operation.
WARNING
Heater components and stored water may be
HOT when performing the following steps in
this procedure. Take necessary precaution to
prevent personal injury.
0642
4500W 240V
RC02404524
Date Code
Element Rating.
Example: (4500 Watt, 240 Volt)
Manufacturer Identification
Element Flange
Element Gasket Seated Flat Against
Element Flange Without Rolls or Gaps
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Terminal
Block
DANGER
High voltage exposure. To avoid hazard to
Life or property, be sure power is turned OFF
to water heater while performing this
procedure.
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