Forum Discussion
Gunship_Guy
Mar 28, 2014Explorer
It could be the spring in the backflow preventer on the back of the water heater. They get weak and vibrate/rattle when water is rushing through.
It is located on the hot side which is the line coming out the top rear of your water heater.
It is located on the hot side which is the line coming out the top rear of your water heater.
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