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Old 09-14-2011, 09:23 PM   #1
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Suburban drain plugs

Looking for a drain plug for a suburban 6 gl water heater. All I can find online is anode rods with the plug. For the Atwood heaters they have drain plugs that you can just unscrew with your fingers. Mine you have to have an 1-1/4" socket to get it out to drain it, there has to be an easier way. Any help? Thanks!
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Old 09-14-2011, 09:26 PM   #2
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if you dont want to use your anode rod any more then go to the hardware store and get a reducing pipe bushing and then buy a drain cock. install drain cock in aforementioned plug and install into your tank and your done !
the plug hole is pipe thread. 3/4 inch i believe
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Old 09-14-2011, 09:33 PM   #3
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But if I want to keep it is there an option or does no one make the same thing for suburban?
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Old 09-14-2011, 09:39 PM   #4
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that I cannot answer since I do not know what an attwood hw heater uses for a drain size.

is it not the same I wonder ?

someone will know .
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Old 09-14-2011, 09:49 PM   #5
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Camping world shows one but it says it replaces the plastic drain plug. I think atwoods have plastic drain plugs but suburban doesn't. I called and they said it would fit but when I ask her what the anode rod attached to she said that was a good question and I would have to call back tomorrow for tach support.
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Old 09-15-2011, 12:27 AM   #6
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they make an anode rod w/drain for atwood but i didn't see one for the suburban. the atwood anode hole is smaller. if suburban is 3/4, i'd say the atwood is 1/2 inch.
u could use a bushing and adapt the atwood anode w/drain to the suburban. before i did that, i would make sure it is compatible. u would have to know what metal each uses. i wouldn't run an electric w/h w/o one. it protects the water heater from electrolysis. the anode is sacrificial.
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Old 09-15-2011, 06:49 AM   #7
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Amazon.com: Camco 11533 RV Anode Rod with Drain for Aluminum Water Heater: Automotive

Amazon.com: Camco 11563 RV Aluminum Anode Rod Fits Suburban Heaters: Automotive

Amazon.com: Camco 11553 RV Magnesium Anode Rod Fits Atwood Heaters: Automotive

While I found two different anode rods for Suburban (both without drains) There was only one I saw with the drain and that was an Atwood.

I will keep looking. Found this cool pic of the rod deterioration though.
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Old 09-15-2011, 07:23 AM   #8
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3/4" x 1/2" Threaded Brass Reducing Bushing

Here's a sample of the bushing needed should you decide to use the Atwood Anode Rod.
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Old 09-15-2011, 07:49 AM   #9
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The downside of the drain is the temptation to never remove the anode rod which DOES deteriorate when doing its job.

There are bits of anode; calcium deposits and rust inside the heater that accumulates and circulates in your water system. If you don't pull your anode and just drain the water; that crud stays behind; eventually clogging a faucet.

I will stay with the tried and true method and pull the anode and inspect it; flush out most of the bits; and reinstall it with Teflon.
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Old 09-15-2011, 08:25 AM   #10
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Don't get rid of your anode rod !! I serves as an important function. See post # 7.

How about this: Water Heater Universal Anode Kit fits Suburban, Atwood & Has Drain Kit
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