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Thread: Hot Water Heater Flush
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06-01-2018, 08:54 AM #1
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Hot Water Heater Flush
Morning everyone,
My wife and I have been full-timing in a 2018 337RLS for three months and I'm wondering if it is necessary to flush the hot water heater.
It works fine and we do not have any odors or any other issues.
I'm thinking since we use it constantly it should be ok. Not being lazy just looking at from a necessity perspective.
Thanks!
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06-01-2018, 09:07 AM #2
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Alan and Kathleen
2015 Momentum 380TH (RVD2)
2014 Ford F350 Dually (Stormtrooper)
2012 Honda Goldwing Navi/ABS (Land Speeder)
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06-01-2018, 09:08 AM #3
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This is just my opinion, unless it’s been sitting for a lengthy period, it doesn’t need to be flushed often. I would consider maybe once every 12-18 months. No matter what you do, there’s gonna be some water remaining in the tank when you’re done. I’m not even sure the flush techniques I’m aware of get everything out that may be on the bottom.
Steve & Sue (pups:Sky & Sierra) Gardnerville, Nv
2017 Refelection 297RSTS
2017 Ford 350 CC 4x4 Lariat Superduty 6.7, Long Bed
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06-01-2018, 01:25 PM #4
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At minimum drain it and check the anode rod once a year. That rod is clutch in keeping your tank from getting calcified.
2019 Momentum 395
2018 Ram 3500 DRW 4.10 AISIN
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06-01-2018, 03:29 PM #5
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I'm just going based on my experience, but I've never had an anode rod that would last a year, but we travel all the time other than a winter hiatus somewhere. There has been enough variation is minerals from stop to stop that even with double filtration, those sacrificial anodes sacrifice themselves quickly. It is true that you will never get all the water out, but with a flusher wand attachment on your hose, you'll get most of the sediment out. Again, this is more an issue with the Suburbans since they use an anode and that is what I'm familiar with. As with all things, YMMV.
Here the flush wand
https://www.amazon.com/Camco-Rinser-...ank+flush+wand
AlanAlan and Kathleen
2015 Momentum 380TH (RVD2)
2014 Ford F350 Dually (Stormtrooper)
2012 Honda Goldwing Navi/ABS (Land Speeder)
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06-01-2018, 10:27 PM #6
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06-02-2018, 07:33 AM #7
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Jim and Kathy Marker - Ramona, Ca.
2014 Solitude 369RL #1277 (AKA - "Tudee")
2014 3500 Ram Laramie HD Dually Crew Cab 4x4 -6.7 Cummins with Aisin Tranny (AKA - "Big Foot")
50 gal Transfer Flow Auxiliary Tank
Curt Q24 Hitch
2002 2500 Chevy LB HD Duramax Crew Cab- Retired
EEZRV TPMS- Tire Pressure Monitoring System
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06-05-2018, 03:37 PM #8
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I have the Attwood water heater with the plastic drain plug on our 297RSTS. I am curious if the water should be drained if you are not using the trailer for a few weeks. We had not used our trailer for a couple of months and noticed a rotten egg smell (hydrogen sulfide] coming from the hot water. Has anyone replaced the plastic plug with a valve?
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06-05-2018, 03:46 PM #9
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Doesn't hurt to drain it. Especially if you camped in a place with hard water. That rotten egg smell is common in places with well water and areas with a lot of sulfur or other stinky elements / compounds.
I wouldn't leave it in my tanks.
We don't have a plastic plug on ours so can't comment on that.2019 Momentum 395
2018 Ram 3500 DRW 4.10 AISIN
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06-05-2018, 03:49 PM #10
srobins - I always drain my water system if I am not going to be using the RV for a couple of weeks . . . just so I don’t have to deal with hydrogen sulphide smell. I put a drain on my water heater. Went through a couple of iterations based on advice to avoid galvanic corrosion between a brass plug and the aluminum tank. See https://www.mygrandrv.com/fo...r-Heater-Plug?
RobCate & Rob
2015 Reflection 303RLS
Re-pack bearings necessary?
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