
Rapid depletion can leave a heater unprotected causing a premature failure. As with any water heater, it is good practice to check the anode annually to see if it needs replacing. Anode Inspection/Change 1. Turn the electrical supply to the water heater "OFF". 2. Close the cold inlet supply valve. 3. Open a hot water tap supplied by the heater. (CAUTION: Water will be hot). 4. See 'Draining Tank' section to remove enough water to empty the piping system. 5. Using a 1 1/16" socket, remove anode a