Rheem RTEX-18 Questions & Answers

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10 Questions

  • User Non avatar #102888 United States2 years ago

    Getting e2 code.most likely problem?

  • User Non avatar #102916 United States2 years ago

    I can't help you in this case. Please contact the service by calling 1-(800)-374-8806.

  • Quit after power outage, no lights on . Fuse good and power is good ? Can't find a reset button . 18 months old so is it time to replace ?

  • User Non avatar #102500 United States3 years ago

    There is no reset within the heater, but please contact Rheem customer support at 1800-374-8806 to troubleshoot the unit with you, as the problem could be electrical/power related. 

  • User Non avatar #54523 United States3 years ago

    What is the cpvc fitting called for the cold water inlet

  • Only one shower does not get hot water. Is the problem with the shower unit

  • RETEX-18 temperature control knob is missing. How can I get a new one?

  • New construction
    My water heater reads 104 temp but not even warm water

  • If the hot water temperature setting with memory? for example, today I set 95°F for using, after that turn off power, next day turn on power for using, if the temperature still stay on 95°F without doing any setting on display that same as yesterday's temperature, or will be going to default one? Please advice. Thank you.

  • User Non avatar #44674 United States4 years ago

    What does E5 code means

  • User Non avatar #101980 Asia3 years ago

    E5 is water flow not correct. The desired volume of water is too high and you will need to slow down the Flow rate. Each sink, shower or tub is equipped with an aerator to control the volume of water.

  • 1/2" or 3/4 cpvc from main to water heater

  • I don’t get hot water to both showers - if downstairs on and hot / turn upstairs on its hot down turns ice cold rtex-18