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11-05-2019, 06:32 AM
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#1
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Winnebago Camper
Join Date: Apr 2019
Posts: 18
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Water Heater Drain Plug
what is the size socket needed to remove the drain plug on the water heater... I have a 2016 aspect 27k with an atwood water heater.
Thanks for your help!
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11-05-2019, 06:50 AM
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#2
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Winnebago Owner
Join Date: Oct 2019
Posts: 61
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It's usually 15/16
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'05 Itasca Meridian P39K
Looking forward to our next Chapter!!
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11-11-2019, 07:20 PM
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#3
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2004 Itasca Sunrise
Join Date: Oct 2019
Location: Killen, Alabama
Posts: 66
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But they also come in a 7/8" size as well, which is what I have.
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11-11-2019, 10:38 PM
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#4
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Winnebago Owner
Join Date: Sep 2011
Location: Denver, CO
Posts: 120
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I can't seem to get a socket in there on mine .............. plumbing interference. So I reverted back to being a dreaded "pliers mechanic" using a pr of slip-joint pliers AKA channel locks. After years of abuse it is getting a bit rounded off so I have a couple of spares on board. I read on one of the forums that the plug MUST be the nylon type ......... a PVC plug from a big box store won't take the heat. I heeded that advice and bought the correct plugs from CW ......... pretty cheap.
Good times and safe travels.............
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Ed Sievers, Denver, CO
07 WBGO Outlook 31-C Sold Real good coach, just time to hang up the keys at 91.
"Be the person you needed when you were younger"
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11-12-2019, 02:19 AM
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#5
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Winnebago Master
Join Date: Mar 2018
Location: Deming, NM
Posts: 582
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27mm works on mine. Just a bit loose but it works. My drain plug has an integral anode rod as part of the plug.
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2016 Minnie Winnie 27Q on a 2015 Ford E450 chassis. Retired U.S. Air Force. Lived in Anchorage, Alaska for 30+ years. Now Living in Deming, NM.
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11-17-2019, 04:44 PM
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#6
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Winnie-Wise
Join Date: Nov 2006
Location: Grayson, GA
Posts: 344
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The OP stated that he had an Atwood Water heater which is an aluminum water heater and does not need an anode rod -- as a matter of fact it should not have one. Only use the nylon plug like the original one as it is also a safety feature (in addition to the pressure releaf valve). The other type of water heater, I can not recall the name right now, does require an anode rod in the water heater. Not yelling at anyone, just stating facts as I know them.
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Dave and Karen -- '02 Ultimate Advantage 36 C, 350 HP Cummins, Allison 3060 Tranny
'13 Ford Edge, InvisiBrake
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11-17-2019, 06:59 PM
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#7
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Winnebago Master
Join Date: Aug 2002
Location: ...hopefully on the road!
Posts: 1,653
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My Atwood came with the 7/8" plug, and I learned to replace it at least every 2 years or it would crack/leak on it's own. Somewhere I ended up the larger head 15/16" and they seem to last longer. But I do always have a spare because over time they get hard and while eventually leak or crack.
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Paul (KE5LXU) ...was fulltimin', now parttimin'
'03 Winnebago UA 40e TRADED OFF JUL 2023 / '17 Jeep Grand Cherokee toad
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11-18-2019, 04:27 PM
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#10
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Winnebago Owner
Join Date: Sep 2019
Posts: 61
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water heater plug, why NOT brass?
can someone explain why the plug should be nylon and not brass. I made (what i thought) was a nifty modification using a brass fitting (with teflon tape) and a short braided hot water hose w/1/4 turn valve, making it a snap to drain the hot water heater tank!
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11-18-2019, 09:00 PM
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#11
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Winnebago Camper
Join Date: Sep 2012
Posts: 21
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Quote:
Originally Posted by KGs2108DS
can someone explain why the plug should be nylon and not brass. I made (what i thought) was a nifty modification using a brass fitting (with teflon tape) and a short braided hot water hose w/1/4 turn valve, making it a snap to drain the hot water heater tank!
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That sounds like a great idea. Do you have a pic?
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11-19-2019, 05:20 AM
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#12
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Winnebago Owner
Join Date: Oct 2019
Location: Linville Falls, NC
Posts: 127
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regarding Why Nylon.. I have no facts to support this but the same question on other sites point out various reasons, main one may be to protect the threads of the tank from ever being cross threaded, others say Brass is a dissimilar metal and may weld itself to the aluminum tank. The nylon plug is also suppose to act as a freeze plug and blow out if tank has water and freezes or even blow if the pressure valve fails. Wonder if Atwood customer support could give a fact based answer ?
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11-20-2019, 05:29 PM
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#13
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Winnebago Owner
Join Date: Jul 2010
Location: Snohomish WA
Posts: 65
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Smitty56 - here is a pic of the mod I did on my water heater. Components are 1/2 SharkBite L (thread to slip), PEX, then a 1/2 SharkBite valve (usually used for a washing machine HW inlet).
__________________
2017 Winnebago Adventurer 35P, towing a 2018 Ford Edge Sport. Roadmaster RSSA, UltraPower, Blue Ox Rear track bar and CHF
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11-21-2019, 01:45 PM
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#14
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Winnebago Camper
Join Date: Sep 2012
Posts: 21
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Thanks
Thanks. It looks very doable and I appreciate the part list.
Smittty54
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