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Two relief valves on hot water heater?

432 Views 6 Replies 4 Participants Last post by  dkerlee
Seems like I have two relief valves on my hot water heater. One top center, and another on the hot water side. Is the second, hot water side necessary?

Going to be replacing with PEX soon, and need to get parts correct.

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The second one is a legacy install and not necessary. The one that actually enters the tank is the only one needed.
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