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Old 04-14-2006, 07:32 PM   #1
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M.O.C. #3149
Water heater maint.

How often should I remove the zinc and drain the water heater?
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Old 04-15-2006, 12:16 AM   #2
stiles watson
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I do it at least twice a year. We have a calendar for preventative maintenance. When stuff comes up I just do it.
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Old 04-15-2006, 02:33 AM   #3
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Stiles, the idea of a maintenance calendar sounds like a really good one. Could you post something that would show what items yours covers, frequency, etc?
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Old 04-15-2006, 04:49 AM   #4
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Check the anoid rod. If its badly pitted or corroded then replace it as needed.
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Old 04-15-2006, 09:10 AM   #5
Illini Trekker
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My trailer is on a year old so the first time I pulled the plug was when I winterized. After 7 months of use there was a lot of lime build up. I use a short piece of hose I insert into the water heater to flush it out. My rod should make it another year. It would help to drain the tank after each outing.
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Old 04-15-2006, 10:47 AM   #6
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The mineral content of the water will determine how often you need to replace the anode. I drain my water heater after each trip and haven't had to replace it in over seven years.
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Old 04-15-2006, 12:44 PM   #7
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I drain and check mine about twice a year as well. I also flush out the lime build up that settles on the bottom of the heater floor. Some of this will flush out on its own, but a good deal remains. I use a simple tool, available at most RV parts stores for about $10, that attaches to the end of the hose. It has a valve built on it and a long narrow plastic tip that provides a strong steady stream when the valve is opened. It does a fantastic job cleaning the lime out. Wear a rain suit when you do this; chances are you will get wet.

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Old 04-16-2006, 03:14 AM   #8
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Thanks all for great, prompt replies. We full time, so I will do it today. We have been racing aroundthe USA for 11 Months now. Have started slowing down.
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Old 04-20-2006, 02:18 PM   #9
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I check it a couple of times per year but have never seen more than a little bit of wear. I used to replace it anyhow until our dealer showed me one where you could see the little inner core. He said until you see that core just clean it best I can with a wire brush and put it back in. Our tank has water in it all the time since ours is a continuous outing but draining after each outing would, I would think, prolong the life of the rod.

Some folks had a lot of wear on the anode rod while we all wintered in the Rio Grande Valley. I checked ours before we left and had no wear and just a little bit of crud on the rod. Go figure.
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