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Old 11-22-2015, 07:30 PM   #1
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Debris in hot water heater

This year I purchased a '96 Monaco Dynasty from a relative. The HW heater is a Suburban SW10DE. I removed the anode to flush out the tank. After flushing for a while, the water coming out was mostly clear. But when I looked inside with a flashlight, there was a mound of debris on the bottom of the tank. It appears to be white "flakes" and I assume it is material that shed off the anode. Is this a problem? Should I try to knock it loose and flush it out? Or should I leave it alone?

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Old 11-22-2015, 07:53 PM   #2
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I flush mine out annually when I winterize. While the water heater is full of water I pull the anode and let the water flush out the sediment. The sediment is probably calcium that precipitated off the heating element as it was heating the water.

I would try and flush what you can out of it. Maybe get a small diameter jet type wand to see if you break up the sediment.

Jim J
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi
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Old 11-22-2015, 08:04 PM   #3
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That's the junk that hard water gives you. Flush it out.
'02 Winnebago Journey DL, DSDP, 36' of fun.

Visit my RV Travel & Repair Blog at : http://chaos.goblinbox.com
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Old 11-22-2015, 08:07 PM   #4
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That is also what is left behind from the anode. I made a small attachment to attach to my vacuum and when it had sat and dried i vacuumed it all out
Don and Nancy
[2014 40QBH Phaeton, 2015 Buick Enclave, 2yr old sisters Sara n Kaycee, Havanese, Two Segways
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Old 11-22-2015, 08:42 PM   #5
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I flush my water heater each fall with a small diameter spray wand attachment bought for motorhome #1 in 1977. There is always debris coming out. Hint: don't stand in line with the water heater drain when using the flush wand (ask me how I know).

Google "Camco RV water heater tank rinser"
George Schweikle Lexington, KY
1999 Safari TREK 2830, FMCA 190830, Safari International chapter
1995 Safari TREK 2630, 1983 Winnebago Chieftain, 1976 Midas Mini
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Old 11-22-2015, 10:33 PM   #6
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RV stores and amazon sell a hose attachment for rinsing out the hot water tank.
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Old 11-22-2015, 10:52 PM   #7
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Suburban water heaters have a ceramic liner inside. If the inside lining starts to crack, it can crumble/peel off and fall to the bottom of the tank. That "might"
be the debris in the bottom of the tank or in addition to the anode remains.

'97 Country Coach Intrigue
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Old 11-22-2015, 11:16 PM   #8
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With drain plug/anode rod removed
Turn on water supply and let it blast out the drain hole
The cold inlet has a dip tube that is turned down
Water coming in will churn up the debris on bottom and flush it out drain hole

Lot easier than sticking a 'wand' inside which blocks/takes up part of the drain hole

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