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08-04-2015, 07:13 AM
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#21
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Senior Member
Join Date: Sep 2011
Location: Northville NY in the Adirondacks
Posts: 2,128
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Quote:
Originally Posted by KSH
I open up the hot and cold drains on the bottom of the camper. Does that drain the hot water tank as well?
Sent from my SM-G900T using Tapatalk
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No, it does not.
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'11 Cougar 326MKS loaded with mods
'12 Ford F250 SuperCab 6.7 PowerStroke Diesel
Amateur Radio: KD2IAT (146.520) GMRS: WQPG808 (462.675 TPL 141.3)
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08-04-2015, 07:15 AM
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#22
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Senior Member
Join Date: Sep 2011
Location: Northville NY in the Adirondacks
Posts: 2,128
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Draining water heater when not using camper
Quote:
Originally Posted by slow
I open my COLD water low point drain and the pressure relief valve on my Atwood water heater to drain it. Not intuitive, but it works. Also replaced the low point drain caps with valves to make it easier.
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The pressure relief valve is at the top of the water heater tank. It can not possibly drain the tank. You need to pull the plug at the BOTTOM of the tank to drain it.
__________________
'11 Cougar 326MKS loaded with mods
'12 Ford F250 SuperCab 6.7 PowerStroke Diesel
Amateur Radio: KD2IAT (146.520) GMRS: WQPG808 (462.675 TPL 141.3)
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08-06-2015, 02:27 PM
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#23
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Senior Member
Join Date: Dec 2012
Location: Chico, California
Posts: 296
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I think he means it drains through the cold low point. The relief valve is giving it a vent. I don't see why this wouldn't work, but its too easy to just pull the plug. Besides, you get any sediment out of the heater without sending it back into the plumbing.
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2011 F-350 C.C. 4X4 LWB 6.7PSD
2010 Montana Mountaineer 345DBQ
2005 F150 FX4
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08-06-2015, 05:42 PM
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#24
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Senior Member
Join Date: Jan 2012
Location: Central San Joaguin Valley, CA
Posts: 2,117
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On our 5er, the hot water low point drain will drain most of the water out of the w/h. But, as PerryB said, removing the grain plug gets all the sediment from the anode rod out. I have a 3/8" rubber hose that I place over my air nozzle that works really well for getting that last little bit of water & sediment out of the tank.
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Jack & Marty
2018 Laredo 298 SRL
2011 F-250 SB Crew Cab 4x4 6.7L
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08-10-2015, 01:17 PM
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#25
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Member
Join Date: Mar 2013
Location: Evansville, IN
Posts: 31
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If I am going to be parked more than two weeks without using it, I drain the water heater. But I do put the anode rod back in so the threads don't rust.
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2012 Cougar XLite 26SAB 5th Wheel
2016 Ford F-350 Crew Cab 6.7L Diesel 4X4 DRW
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08-16-2015, 07:04 PM
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#26
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Senior Member
Join Date: Jan 2014
Location: Winnipeg, Canada
Posts: 1,196
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Quote:
Originally Posted by jsmith948
On our 5er, the hot water low point drain will drain most of the water out of the w/h. But, as PerryB said, removing the grain plug gets all the sediment from the anode rod out. I have a 3/8" rubber hose that I place over my air nozzle that works really well for getting that last little bit of water & sediment out of the tank.
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The feedback on using the cold low point drain to empty my Atwood hot water tank got me thinking that maybe it was not emptying the water tank. So today when we return from camping, I drained the tank as I normally do with the Cold low point drain and pressure relief valve on the tank open. When the water stopped draining, I closed the low point drain and left the pressure relief valve open. Then I took out the drain plug as per the following video:
https://youtu.be/N5InYF_2Nkc
Looks like the tank is draining completely using the Cold low point drain.
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2018 Jayco Eagle HT 265BHS (previous: 2015 23RB Passport Elite, ProPride)
2015 F250 XLT SB Crew, 6.2l gas
PullRite 16K SuperGlide w/SuperRail
Reese 5th Airborne (bagged) Pin Box
RoadMaster Shock Kit
X-Factor Cross Bracing
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08-17-2015, 05:45 AM
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#27
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Senior Member
Join Date: Sep 2014
Location: Preble county, Ohio
Posts: 261
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Well I learned,... we took the camper back out camping this past week and the hot water side was full of really nasty stinky water. Took for ever to get the smell flushed out. Camper is currently "sanitized" with bleach and back in storage. Will be flushing the system again this Thursday for our next trip.
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2008 Silverado 3500HD 4x4 SRW Duramax Allison trans
2014 Cougar 327 RES "Campy"
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08-17-2015, 08:24 AM
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#28
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Senior Member
Join Date: Apr 2015
Location: nm
Posts: 1,833
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I took the anode rod out and put a 1/2 ball valve with 1/2 pipe to hose adapter and drain the water heater into my pine tree after every use.
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2018 1 ton 4x4 c.c standard bed GMC Denali
Anderson ultimate hitch
2015 311 Impact Fusion toy hauler
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2018 800 Z force spot BUGGY.
500 watts of solar enough power for boon docking.
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