Turn Off Utilities to Water Heater
Before you do anything, you have to turn off the utilities to the existing water heater.
- Turn off the water at the home's main water shutoff valve or the shutoff valve at the cold water supply line running to the existing water heater.
- If you have an electric water heater, shut off the electricity to the water heater by removing the fuse or turning off the circuit breaker on the water heater's circuit.
- If you have a gas water heater, turn off the gas at the gas supply pipe at the tank or at the main gas shutoff valve to the home. To make sure the gas is off check the pilot light, it should be out.