Constant drip from water heater drain pipe normal?

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Old 01-10-01, 08:07 AM
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Hello, I hope someone can enlighten me about whether I need to do something about this. Our A.O.Smith water heater has a vertical copper pipe with a spigot connected at the top that is constantly dripping HOT water. I know this is a drain pipe, but it is always dripping! It seems like the amount increases when someone uses hot water in the house. Is this a leak or is it normal?

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Old 01-10-01, 08:39 AM
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Not Normal

Sounds like it needs to be replaced, since it never stops, that tell me it's not a pressure related problem, or a tempature related problem.

But a new one at Home Depot and replace it. Shut off water to the tank before you unscrew it from the tank.

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Old 01-10-01, 08:46 AM
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Will I need to drain the tank before disconnecting the copper pipe, or just shut off the water?

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Old 01-10-01, 08:53 AM
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After you shut the water off open a hot water side faucet to relieve the pressure, then replace the valve, no need to drain the entire tank.

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