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Old 07-08-2015, 04:04 PM   #11
Join Date: Mar 2014
Posts: 57
Originally Posted by John K. View Post
Can somebody explain a proper procedure to drain the w/h without the drain plug becoming a weapon?[/email]
I'm with you....I'm worried about using the relief valve while it's HOT...

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Old 07-08-2015, 04:54 PM   #12
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IMO, the biggest danger in relieving the pressure is if the water is still hot. We don't travel with the WH on, so I just drain it in the driveway when I get home. I know the heater hasn't been on in a long time, and the water is no longer hot. So I lift the valve (and open the HW faucets) and that relieves all the pressure. Then I pull the plug. When all the water is out, I close the valve and replace the plug. Just make sure you're not hooked up to water and your pump is off or it'll try to refill the tank. Be careful to stand aside when you lift the pressure relief valve if the water is still hot, but the procedure still stands, you just have to be more careful; you could get burned.


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Old 07-08-2015, 04:56 PM   #13
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Originally Posted by rabalin View Post
The relief valve can be opened when your filling up with water to purge the air out when water flows out close it. This is what I do, makes for less spitting at the faucets the first time.

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Old 07-09-2015, 10:32 AM   #14
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Thanks to everyone for the assistance in the process for draining the water heater tank. We've been on trips where we've not even heated water in the tank, but, when we do, I make sure the contents are no more than warm -- cold is better -- before draining the tank.

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