Safety Instructions
Installing the water heater.
A new combination temperature and pressure relief valve, complying with the Standard for Relief Valves and Automatic Gas
Relief Valve
Instructions Installation Instructions
The pressure rating of the relief valve must not exceed 150 PSI, the maximum working pressure of the water heater as marked on the rating plate.
The Btuh rating of the relief valve must equal or exceed the Btuh input of the water heater as marked on its rating plate.
Position the outlet of the relief valve above a suitable open drain to eliminate potential water damage. Piping used should be of a type approved for hot water distribution.
The discharge line must be no smaller than the outlet of the valve and must pitch downward from the valve to allow complete drainage (by gravity) of the relief valve and discharge line.
The end of the discharge line should not be threaded or concealed and should be protected from freezing. No valve of any type, restriction or reducer coupling should be installed in the discharge line.
Care and Cleaning Operating
!WARNING: The tank must be full of water before heater is turned on. The water heater warranty does not cover damage or failure resulting from operation with an empty or partially empty tank. (Refer to the Certificate of Limited Warranty for complete terms and conditions.)
To Fill the Water Heater
Make certain that drain valve is closed, then open the
Open each hot water faucet slowly to allow the air to vent from the water heater and piping.
A steady flow of water from the hot water faucet(s) indicates a full water heater.
Customer Service Troubleshooting Tips
Condensation
Condensation can form on the tank when it is first filled with water. Condensation might also occur with a heavy water draw and very cold inlet water temperatures.
Drops of water falling on the burner can produce a sizzling or pinging sound.
This condition is not unusual, and will disappear after the water becomes heated. If, however, the condensation continues, examine the piping and fittings for possible leaks.
Additional information on this subject may be found at www.rheem.com under “Library,” scroll down to the Technical Service Bulletins 1400 Series Section and choose Bulletin #1402.
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