Rheem 260 Litre - Manual (Page 32)

COMMISSIONING
32
TO TURN OFF THE WATER HEATER
If it is necessary to turn off the water heater on completion of the installation,
such as on a building site or where the premises is vacant, then:
•
Shut down the gas control (refer to “Close Down Procedure” on page 36).
•
Close the gas isolation valve(s) at the inlet to the gas control(s).
•
Close the cold water isolation valve on the cold water line to the water
heater(s) to shut down the entire system, or;
•
Close the isolation valves on the cold and hot water branches to shut down
an individual water heater in a bank.