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First time ever installing a water heater, or doing any plumbing... (lemmy.world)

submitted 1 year ago by AnotherPerson to c/homeimprovement

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[–] [email protected] 1 points 1 year ago (1 children)

120°F is too low for a water heater. 135°F is the minimum necessary to prevent bacteria growth inside the tank. And like the other person said, your hot water will last a lot longer with a higher temperature. Just don't crank it too far beyond 140° so you don't accidentally burn yourself.

[–] [email protected] 3 points 1 year ago

120 is the lower limit for killing stuff off. Not much will live or grow at a sustained 120.

I leave mine at 120 and every Sunday it kicks up to 135 for an hour for peace of mind.