Bradford White ElectriFLEX HD CEHD 120, Service Manual

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Service Procedure IX:
Heating 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 elements.
3. Close drain valve and remove hose.
4. Open control box door or remove lower cover. Remove
insulation.
5. Disconnect wires from element terminals.
6. Remove element from tank using 1-1/2” 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 the 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 against element flange without rolls or gaps
(see illustration below).
3. Clean any debris from the element fitting on the tank.
4. Thread new element clockwise into tank. Tighten element using 1-1/2” deep well socket or appropriate wrench. Do
not overtighten, overtightening may damage element gasket.
5. Reconnect wires to element; be sure connections are snug and corrosion free. Do not overtighten, 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 heater. Verify proper heater
operation.
WARNING
High voltage exposure. Use caution when making
voltagecheckstoavoidhazardtolifeorproperty.
WARNING
Heater components and stored water may be HOT
when performing the following steps in this
procedure. Take necessary precaution to prevent
personalinjury.