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07-06-2017, 08:14 AM
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#1
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,329
M.O.C. #3699
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Anode Rod Advice
What have you found out from experience the best way to get a good seal when replacing the anode rod on the water heater? Teflon tape, or pipe dope, or both at the same time?
Thanks
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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07-06-2017, 08:17 AM
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#2
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I've used tape for many years.
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07-06-2017, 08:17 AM
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#3
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Montana Master
Join Date: Feb 2003
Location: Englewood
Posts: 3,095
M.O.C. #164
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Teflon Tape never had a problem leaking!
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07-06-2017, 08:47 AM
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#4
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,165
M.O.C. #6433
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Teflon tape here also. And being pipe threads, you do not have to tighten the rod too much to get a good seal. Don't over tighten it.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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07-06-2017, 05:30 PM
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#5
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,329
M.O.C. #3699
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This is really a dumb question, but when you use the Teflon tape how many wraps do you normally apply, one two or three?
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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07-06-2017, 06:13 PM
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#6
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Teflon tape, normal wrap as in any other application
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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07-06-2017, 06:17 PM
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#7
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,165
M.O.C. #6433
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I honestly have never given it much thought. I would say probably 2 layers, no more than 3. I just start at the end of the threads (near the rod), wrap a full turn, then work my way up to the other end about half a tape width at a time, and finish with a full turn.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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07-06-2017, 06:46 PM
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#8
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Montana Master
Join Date: May 2005
Location: Fall Creek
Posts: 1,329
M.O.C. #3699
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I told you it was a dumb question, but thanks!
__________________
Bob and Nancy Kassl Fall Creek, Wisconsin
2015 Montana 3440RL Legacy Edition, G614's, Pressure Pro TPMS, Dish Tailgaters
2016 GMC Sierra Denali 3500 CC SRW, Iridium Metallic, Duramax Allison Transmission
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07-06-2017, 07:46 PM
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#9
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,165
M.O.C. #6433
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No question is dumb when you are not sure of the answer. It made me stop and think about what I actually do.
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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07-06-2017, 09:37 PM
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#10
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Montana Master
Join Date: May 2017
Location: South East NC
Posts: 1,768
M.O.C. #19865
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2 layers of tape. Tighten just a tad beyond snug.
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07-07-2017, 10:14 AM
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#11
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Montana Master
Join Date: Jul 2010
Location: Lake Havasu City AZ.
Posts: 1,811
M.O.C. #10552
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Yep tape.
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07-07-2017, 01:21 PM
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#12
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Montana Master
Join Date: Apr 2017
Location: 1000 oaks
Posts: 953
M.O.C. #19630
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I thought I read that the anode rod required a metal to metal contact for it to properly react and be sacraficed???
__________________
2011 2955RL Gen-Y Executive Kingpin
2022 GMC 2500HD Duramax/Alison
4X4 Crew Cab/Standard bed.
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07-07-2017, 01:56 PM
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#13
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Montana Master
Join Date: Feb 2004
Location: Pahrump
Posts: 2,523
M.O.C. #1081
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I don't use anything on the rod threads. Just screw it in and snug it down. Have never had one leak.
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07-07-2017, 02:03 PM
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#14
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Established Member
Join Date: Apr 2017
Location: Concord
Posts: 49
M.O.C. #19636
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I'm an engineer and have done a lot of pipe work. 4-5 wraps to be safe. Some tape manufacturers guarantee a seal at 4 wraps (monster). Since the extra tape works its way out there is no harm in more tape.
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07-07-2017, 02:18 PM
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#15
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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2 wraps. I got a rod with a ball valve on the end so I don't need to remove the rod to drain the tank. I not sure you even need the rod. My High County came with one my MH didn't. The water heater in my home doesn't have one and has lasted 40 years. In my old home place the water heater lasted over 60 years until we had to replace it because it was a 120 volt unit.
Lynwood
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07-07-2017, 03:55 PM
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#16
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Established Member
Join Date: May 2017
Location: ormond beach
Posts: 49
M.O.C. #19826
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Teflon tape and when you wrap it you go with flow of the threads. You don't want it to bunch up and unravel as you screw it in. You don't have to crank it in, 1/8 to 1/4 turn past hand tight (remember you have to be able to take it back out). The threads cut through the tape so you get metal to metal contact. Aluminum rods are better than magnesium rods to use they tend to last longer and don't affect water taste as much. Hope that helps, happy camping
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07-07-2017, 05:47 PM
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#17
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Montana Master
Join Date: Oct 2006
Location: McKinney
Posts: 7,165
M.O.C. #6433
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I agree with the threads cutting thru the teflon tape. But I replaced my original magnesium rod with an aluminum rod. After about 5 years it almost looked like the day I installed it, barely corroded. And I was getting the rotten egg odor. Didn't appear it was doing much. So I went back to magnesium. May try zinc on next one. Here is a good write up about anode rods including using magnesium, aluminum, or zinc.
https://www.aricoplumbing.com/waterheater-anode-rods
__________________
Bill & Patricia
Riley, our Golden
2007 3075RL (recently sold, currently without)
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07-07-2017, 06:10 PM
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#18
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Seasoned Camper
Join Date: May 2017
Location: Baton Rouge
Posts: 93
M.O.C. #19869
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Really ???
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07-07-2017, 06:40 PM
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#19
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,697
M.O.C. #12947
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Aluminum Atwood tanks don't use anode rods, Suburban tanks are glass lined steel and need the rods. If the rod doesn't corrode, it isn't doing its job. That's why they come with the magnesium rods. If you read the Suburban manual, it specifically says use Teflon tape. You need to tighten the rods as tight as needed to make a leak proof seal, and with a tapered pipe thread that these rods have, you tighten till it doesn't leak, just like if you are joining pipes in a plumbing project. The threads will make metallic contact when the rod is installed properly, with the tape.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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07-08-2017, 06:18 AM
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#20
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Montana Master
Join Date: Aug 2012
Location: Northport
Posts: 624
M.O.C. #12724
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The one that stated his home water heater doesn't have an anode rod. If it's an A.O. Smith I bet it does. I have installed more than one. On mine the rod goes in from the top right next to the flue and takes a 1 1/16" socket.
Noticed Jayco is now using tankless water heaters.
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