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Old 05-08-2014, 03:47 PM   #1
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Hot water heater

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Any suggestions on how this happened? It's only one season old, just got unit back from winterization and it was still out of the heater.. Should I buy a new one service rep is telling me it's only a drain plug?!?!
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Old 05-08-2014, 03:52 PM   #2
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Looks pretty good for one season. It still has lots of life left in it. Don't forget to use Teflon tape when you reinstall it.
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Old 05-08-2014, 03:52 PM   #3
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Good for another year! Youroo!!
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Old 05-08-2014, 04:11 PM   #4
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Ok so it's suppose to be about half the diameter near the head? It looks like it's very skinny and brittle near the bolt
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Old 05-08-2014, 04:13 PM   #5
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Lou has an anode rod usage chart in the FAQ section:

Anode facts and FAQs



If anyone tells you the anode rod is JUST a drain plug on a Suburban brand water heater, they need to educate themselves more.

Sacrificial anode rod protects your water heater tank from corrosion by attracting corrosive elements in water, so they attack the anode rod rather than your water heater tank interior.
Simply remove the anode rod from the tank and inspect it every three months. If it is mostly eaten away, replace it with a new one to extend the life of the tank.

To answer your original question, as others have stated you still have much life left in that one pictured. How long an anode rod last depends a lot on the content of the water in the tank, which is different in different parts of the country, municipalities, etc.

You had concerns about it being brittle near the bolt head. There is a metal rod that goes thru the entire length as you can see in the usage chart at 100% usage, so it's not going to break.

Here are some more pics so you can see this better:

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Old 05-08-2014, 04:33 PM   #6
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Originally Posted by urocav2001 View Post
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Any suggestions on how this happened? It's only one season old, just got unit back from winterization and it was still out of the heater.. Should I buy a new one service rep is telling me it's only a drain plug?!?!
"It's only a drain plug?" - what else has your service rep told you?

It's your water heater anode rod that's attached to a drain plug for removal,inspection and replacement when necessary.

I'm often amused when people ask how could their water heater anode rod could deteriorate so fast for the following reasons:

1. There is no hard and fast rule regarding how fast these deteriorate - it depends on the mineral content of the water that is going into the water heater. If it's "soft" water,the rod will last longer that one in a water heater that "hard" water is used in.

2. As the rod deteriorates it's only doing it's intended function - its role is to "sacrifice" itself so the harmful minerals in the water attach it and not the water heater tank itself.

As stated - a chart showing the various stages of deterioration of these rods is posted and should be your guide in determining when you should replace the rod.
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Old 05-08-2014, 04:44 PM   #7
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Attachment 51979

Any suggestions on how this happened? It's only one season old, just got unit back from winterization and it was still out of the heater.. Should I buy a new one service rep is telling me it's only a drain plug?!?!

Mine looked a lot worse than that after one season yours is good for at least another season
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Old 05-08-2014, 07:14 PM   #8
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Mine looked a lot worse than that after one season yours is good for at least another season

Yup, OPs still has resale value. Ours looked worst after 5 months. He must have good water in his area.
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Old 05-08-2014, 07:22 PM   #9
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Personally............the OP should find another dealer for his RV concerns.

Guys like him give the business a bad name. A dealer would be better off to admit he doesn't know than lead you down the garden path with a story like his.
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Old 05-08-2014, 07:26 PM   #10
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Personally............the OP should find another dealer for his RV concerns.

Guys like him give the business a bad name. A dealer would be better off to admit he doesn't know than lead you down the garden path with a story like his.
X2 - don't ask him how your water heater bypass valve works or where it's located.
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