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Old 08-27-2015, 06:24 AM   #11
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Join Date: Jan 2013
Posts: 339
Originally Posted by bubbles View Post
No possible way for debris in the wh to get to the toilet.

08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "24 nights"
Haha, doesn't seem logical but it does happen. The cold water supply line has a check valve to prevent hot water from flowing back into the cold water lines. But when there is a large buildup of particles from the anode rod swirling around, one or more can lodge in the check valve and block it open. The particles can then escape and travel through the system. My anode rod was completely gone and the bottom of the water heater was full of particles. They had also traveled to and blocked screens on the toilets (2) and all of the sink faucet diffuser screens. Flushed the system and installed new rod and problem solved. I now replace the anode every season. You can also prevent or slow the problem if you drain the water heater when coach is being stored.


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Old 08-27-2015, 10:03 AM   #12
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Join Date: Oct 2014
Location: Frederick, CO
Posts: 45
Thanks everyone. Some very good info here. I'll be working on the issue this weekend.

2010 Georgetown 337 DS

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