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Old 10-01-2015, 01:05 PM   #1
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Red face Water heater drain.

I have a 99 Rexhall rexair. I was inspecting my water heater today and noticed I don't have a drain on it. I have the TP valve which is toward the top and the anode rod toward the bottom. No other visual openings. How do I go about draining this beast? Or do I?
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Old 10-01-2015, 01:43 PM   #2
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Remove the anode rod. The tank will drain as it is installed in the drain hole
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Old 10-02-2015, 07:26 AM   #3
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That thing is all rusty and nasty. Looks like you would need to blast it out of there. Oh well, if that's what it takes. Thanks for the heads up.
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Old 10-02-2015, 07:43 AM   #4
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Try soaking it good with a penetrating lubricant such as WD40 or PB Blaster for a day or so. You might also need a 1-1/16" socket to get it out. You absolutely need to take it out and probably replace the anode. I replace mine annually. They are less than $20 and protect your tank from corrosion. You will also probably need to flush the tank via the anode/plug opening to get all of the crud out of it. It may be a white residue that is the remains of the anode rod that gave up the ghost.
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Old 10-02-2015, 10:55 AM   #5
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Anode is drain.. And you need to inspect at least annually, if not more often. If it's "Really rusted" I'd hit it with something like PB-Blaster (penetratant) and let it sit for a while, then hit it again,, and again, and again, then use a proper wrench to try and remove.
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Old 10-03-2015, 08:15 AM   #6
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When you replace the Anode, they make one with a drain in it.
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Old 10-03-2015, 10:23 AM   #7
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When you replace the Anode, they make one with a drain in it.
I have only had the coach for a year. I am sure the old owner did not take it out. EVER. Where would I buy such a rod with a drain? I hope you are not going to say Camping World. It hurts to just type that. Thanks everybody for the good info.
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Old 10-03-2015, 10:29 AM   #8
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I have only had the coach for a year. I am sure the old owner did not take it out. EVER. Where would I buy such a rod with a drain? I hope you are not going to say Camping World. It hurts to just type that. Thanks everybody for the good info.
As others have suggested you still need to inspect the anode rod annually, therefore a rod with a drain is of little value.
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Old 10-04-2015, 10:09 AM   #9
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I have only had the coach for a year. I am sure the old owner did not take it out. EVER. Where would I buy such a rod with a drain? I hope you are not going to say Camping World. It hurts to just type that. Thanks everybody for the good info.
Any camping supply store, "DIDN'T SAY IT"
I am sure you can find it online.
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Old 10-05-2015, 07:39 AM   #10
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Any camping supply store, "DIDN'T SAY IT"
I am sure you can find it online.
Thanks Scooterbob, I just don't even like hearing that name. I will check my local "honest" camping supply store. Have a wonderful day.
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Old 10-05-2015, 08:09 AM   #11
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If you can't get it out any other way, you may neeh to rent an impavt wrench.

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Old 10-05-2015, 08:24 AM   #12
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This is what I use for my 2003 Rexair. http://www.amazon.com/gp/product/B00...ilpage_o05_s00
And farther down in the listing is a 1/2 in. drive, 1-1/16 socket for removal.
Don't forget the Teflon tape !
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Old 10-05-2015, 08:39 AM   #13
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As others have suggested you still need to inspect the anode rod annually, therefore a rod with a drain is of little value.
X2.

AND you can get the anode online from a variety of places, delivered right to your door. AMong them are:

Adventure RV
PPL
Makarios
Amazon

You need to know the MFG and model of the heater, although Suburban's and Atwood are the only two I know of in that vintage (or most other vintages). Atwood of current vintage at least are aluminum and don't have anodes.
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Old 10-06-2015, 07:29 AM   #14
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I have an impact wrench will not need to rent one. You have all solved my dilemma, now, who wants to come and install it for me? You can use my impact wrench, LOL. Seriously, thanks for all the helpful info.
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