PaulandMonica
Victoria B.C
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Joined: 01/25/2007
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Mine is 1 1/8.
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nowgrn4
Tampa,Fl.
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Joined: 06/21/2007
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Throw that stupid buggered up plug away when you remove it. Buy a 2" long schedule 80 3/4" PVC nipple and a 12"long braided stainless toilet water supply hose with valve and install it. Use Teflon tape on all threads.About $4 in parts at Lowe's or HD. To empty tank simply flop out the hose and open the valve. When pressure is relieved flip up the lever on the pressure relief valve on the tank to drain the tank. There are no tools needed to drain WH with this simple rig.
* This post was
edited 12/10/11 08:41pm by nowgrn4 *
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jetcare
RV Repairman - South Fork, CO
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Joined: 05/02/2008
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I guess it depends if you are removing an electric element, a Suburban annode rod or an Atwood drain plug.
2007 Coachman 32 foot Travel Trailer
2010 Ford F350 Super Duty 4X2, SRW, 6.4L
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Ole Man Dan
Gadsden, Alabama
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ploiselle wrote:1 1/16 inch I bought ours at Sears.
Paul
I bought the 'Longer' 1 1/16" at Sears.
The longer socket keeps you from skinning your knuckles when removing the anode...
(ask me how I know?) 
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ploiselle
South Shore, MA
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Joined: 05/28/2003
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Ole Man Dan wrote:ploiselle wrote:1 1/16 inch I bought ours at Sears.
Paul
I bought the 'Longer' 1 1/16" at Sears.
The longer socket keeps you from skinning your knuckles when removing the anode...
(ask me how I know?) Not if you use an extension.
41' Mountain Aire (MADP) -Spartan- Cummins 350 ISC
2012 Jeep Grand Cherokee Overland
2004 Jeep Grand Cherokee Limited
Brake Buddy - CoachNet
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Fabguy
Auburn, Washigton
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Joined: 03/29/2002
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I think all Suburbans are 1-1/16" but a 6 point 1-1/8" will work in a pinch.
I took a 1-1/16" socket, welded it on a 4" long half inch extension, then welded a an 8" long piece of rod to the end to make a T handle wrench that stays in the trailer as a dedicated water heater plug wrench.
Jeff
2002 GMC Sierra 2500HD 8.1/Allison/4:10/Prodigy brake controler/Dual Cam HP
Pulling a 2004 Sprinter 274 RLS
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ExRocketScientist
Laurel, MD
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Joined: 11/11/2010
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This eliminates the "plastic" plug:
http://tweetys.com/waterheaterdrainvalve38.aspx
Here is a dedicated wrench that is made to work with it (although if you are careful about closing it and don't do it too tight, you don't need the wrench):
http://tweetys.com/waterheaterdrainvalvewrench.aspx
You just have to make sure there are no gas lines in the way of using this wrench.
ERS
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gijoecam
Midwest
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Joined: 07/22/2011
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It depends on the make/model of water heater. The models (Suburban among others?) with the anode that doubles as the drain plug are 1-1/16". Those that have a separate nylon drain plug are (I think) 7/8".
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Spade Cooley
Mountain View, AR
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Be sure and buy the six sided socket because the standard socket will round off the plastic corners and you will end up using channel locks.
I liked the mans idea about using the pvc a valve and hose. I heard if you put the brass valve on the alumiminum electrolisis will result. A quick dump of the tank without tools is the answer.
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