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Warning: The power supply must be grounded properly! DO NOT use the water heater if
without proper grounding.
Note: If the power cord is damaged, for your safety, it must be replaced by professionals
from the manufacturer, its maintenance department, or similar departments!
Operation and Usage
Filling the Water Heater
1. Cut off power supply of the water heater.
2. Turn on the nearest hot water tap to empty air in the system
3. Turn on cold water valve completely to fill the tank and pipes
4. When there is water flowing out from the hot water faucet, it indicates the tank is full, turn off the
hot water faucet and check if there is any water leakage
Warning: please fill the water heater before power it on! Otherwise, any damage caused by
dry heating will not be covered by the Rheem warranty.
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