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What is error A902 on the Rheem Prestige heat pump water heater?

Error A902 means that the controller malfunctioned and the water heater was disabled. 

The way to fix this issue is to replace the control board.

Zwell is dedicated to getting homes closer to net zero through the installation of new energy-efficient hybrid water heaters. We are not currently equipped to do service or repair visits but we want to be as helpful as possible. Feel free to reach out to us here or for more information, you can contact the Rheem Hybrid Technical Services Department at 800-995-0982.

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