Hubbell Electric Heater Company EMV - Manual (Page 16)

3-PHASE HEATING ELEMENT
1. Disconnect power from unit.
2. Shut off incoming water supply.
3. Attach hose to drain connection.
4. Lift manual release lever on relief valve to let air into system or break union on outgoing water line.
5. Drain water from tank.
6. Disconnect the wires from the heating element terminals.
7. Remove the 3/8-16 nuts.
Tank Flange
Element Terminals
Nuts
8. Withdraw element assembly and remove gasket.
Gasket
Element Assembly
9. Install new gasket and insert new heating
element.
10. Rewire element according to the drawing and in
accordance with the jumper configuration as
shown below for your heater.
11. Fill tank and check around gasket for any leaks.
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