Got a hot water problem?

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To install a Rheem, you'll need a plumber

Get in touch with your local Rheem Approved Plumber and ensure your install is done right.


Top Five Troubleshooting Topics


Please see the Owner Guide for your heater model.

The water temperature may be lower than usual due to heavy hot water usage. Also, this problem could be due to faulty tempering valve that is excessively cooling your hot water. Your local approved Plumber can test your system and replace the valve if necessary. To find your local Rheem Plumber, contact us  or call Rheem on 1300 556 036.  

Do you have a solar water heater? Check that the booster is being used as per the installation instructions for your model. If you have a timer installed, you will need to ensure that sufficient time is allowed to heat enough water to meet your household’s hot water needs

If you have a 50°C temperature limited water heater, then hot water to your whole house will be limited to 50°C

Please see the Owner Guide for your Solar Hot Water System model.

Please see the Owner Guide for your Heat Pump model.

The flow of hot water is not adequate to keep the water heater operating. This can be caused by flow restrictors and water saving low flow taps. You’ll need to have a plumber increase your hot water flow rate to a minimum of two to three litres per minute. To find your local Rheem Approved Plumber, contact us  or call Rheem Service on 1300 556 036.  


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