Step 1 · Shut Down Power and Water
Before any work begins, you must isolate the water heater from its power and water sources. Go to your home's main electrical panel and locate the circuit breaker dedicated to the water heater. Switch this breaker to the 'OFF' position. To be certain, you can use a voltage tester at the heater's electrical connection. Next, locate the cold water inlet pipe on the water heater, usually marked with a blue ring or handle. Turn the shut-off valve on this pipe clockwise until it stops, cutting off the water supply to the tank.
Tools and Materials
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