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Old 11-04-2015, 12:45 PM   #1
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Water heater pressure


Recently the pressure on my electric water heater is low, it just started happening, I have good cold water pressure, I flush the water heater and it work for a few week now the pressure is low again, there is corrosion on both dielectric pipes can I just replace those. The water heater is 11 years old it's a rheem 82V52-2
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Old 11-04-2015, 01:23 PM   #2
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there is corrosion on both dielectric pipes can I just replace those. The water heater is 11 years old it's a rheem 82V52-2
That's probably where the problem lies. It's kinda hard but they can be replaced. please post a picture. Thanks.

Look something like this;

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Old 11-04-2015, 02:15 PM   #3
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Not eactly but it's getting there, I remove the lines and there was also corrosion in the pipe.
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Old 11-04-2015, 02:16 PM   #4
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Are these easy to replace? Or should I just replace the entire water heater?
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Old 11-04-2015, 05:07 PM   #5
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Are these easy to replace? Or should I just replace the entire water heater?
That's exactly what I was getting at, It may be easier and quicker to just replace the entire water heater with a new one if funds are available. At 11 years old, it's probably time anyway. That's what I would do.

All I can say is, it's not easy, but you can try. This is a diy site and you may get lucky. Spray some pb blaster around the threads, let it soak for awhile, tap nipples lightly with hammer. Put a 5/8 inch carriage bolt into the nipple so you don't crush it while unscrewing it.

Do not empty the entire water heater, a couple of gallons should do. Have someone hold the water heater while you unscrew nipples. Use a big pipe wrench with added leverage (see pic below) and start working the nipple slowly both ways until you can get it to unscrew, then replace it with a new dielectric nipple with pipe tape on threads. If you break/crack the internal tank threads or break off the nipple, it's a goner and you'll need to replace it anyway. Just a suggestion.

Others will be along with more advice/suggestions.


Last edited by jmon; 11-04-2015 at 05:18 PM.
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Old 11-04-2015, 06:08 PM   #6
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We have no pictures of what you have so hard to tell how hard it will be to replace.
Any steel pipes?
There should be no corrosion at a dielectric pipe, if there is somethings wrong.
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Old 11-04-2015, 07:15 PM   #7
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I replace both pipes, when I removed them they were just straight pipes, I replace both of them and so far pressure is good throughout house.
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