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  3. Why does my water heater turn on momentarily sometimes when no one is using hot water or when someone flushes the toilet?
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  2. Owner Questions
  3. Why does my water heater turn on momentarily sometimes when no one is using hot water or when someone flushes the toilet?

Why does my water heater turn on momentarily sometimes when no one is using hot water or when someone flushes the toilet?

This could be an issue with the water pressure coming to the heater or a plumbing issue such as cross piping. A licensed plumber can help identify this issue.

A local Noritz service rep can be located at: http://support.noritz.com/servicereplocator.php

Updated on April 13, 2021

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